2657305998 has 12 divisors (see below), whose sum is σ = 5757496368. Its totient is φ = 885768660.

The previous prime is 2657305969. The next prime is 2657305999. The reversal of 2657305998 is 8995037562.

2657305998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2657305998² = 14122550334013552008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2657305999) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73814038 + ... + 73814073.

It is an arithmetic number, because the mean of its divisors is an integer number (479791364).

Almost surely, 2^2657305998 is an apocalyptic number.

2657305998 is an abundant number, since it is smaller than the sum of its proper divisors (3100190370).

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

2657305998 is a wasteful number, since it uses less digits than its factorization.

2657305998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147628119 (or 147628116 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The square root of 2657305998 is about 51549.0639876225. The cubic root of 2657305998 is about 1385.0980651455.

The spelling of 2657305998 in words is "two billion, six hundred fifty-seven million, three hundred five thousand, nine hundred ninety-eight".