2656249486 has 8 divisors (see below), whose sum is σ = 4346590104. Its totient is φ = 1207386120.

The previous prime is 2656249483. The next prime is 2656249489. The reversal of 2656249486 is 6849426562.

2656249486 is digitally balanced in base 2, because in such base 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 (2656249483) and next prime (2656249489).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2656249486² = 14111322663750528392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656249483) 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, 60369285 + ... + 60369328.

It is an arithmetic number, because the mean of its divisors is an integer number (543323763).

Almost surely, 2^2656249486 is an apocalyptic number.

2656249486 is a deficient number, since it is larger than the sum of its proper divisors (1690340618).

2656249486 is a wasteful number, since it uses less digits than its factorization.

2656249486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120738626.

The product of its digits is 4976640, while the sum is 52.

The square root of 2656249486 is about 51538.8153336881. The cubic root of 2656249486 is about 1384.9144748589.

The spelling of 2656249486 in words is "two billion, six hundred fifty-six million, two hundred forty-nine thousand, four hundred eighty-six".