2658449712 has 20 divisors (see below), whose sum is σ = 6867661880. Its totient is φ = 886149888.

The previous prime is 2658449711. The next prime is 2658449713. The reversal of 2658449712 is 2179448562.

2658449712 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2658449711) and next prime (2658449713).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 55384369 = 2658449712 / (2 + 6 + 5 + 8 + 4 + 4 + 9 + 7 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (2658449711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27692137 + ... + 27692232.

It is an arithmetic number, because the mean of its divisors is an integer number (343383094).

Almost surely, 2^2658449712 is an apocalyptic number.

It is an amenable number.

2658449712 is an abundant number, since it is smaller than the sum of its proper divisors (4209212168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2658449712 is a wasteful number, since it uses less digits than its factorization.

2658449712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55384380 (or 55384374 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 2658449712 is about 51560.1562449145. The cubic root of 2658449712 is about 1385.2967536956.

The spelling of 2658449712 in words is "two billion, six hundred fifty-eight million, four hundred forty-nine thousand, seven hundred twelve".