2645986692 has 48 divisors (see below), whose sum is σ = 6541540992. Its totient is φ = 829555200.

The previous prime is 2645986687. The next prime is 2645986697. The reversal of 2645986692 is 2966895462.

It is a happy number.

2645986692 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 (2645986687) and next prime (2645986697).

It is a super-2 number, since 2×2645986692² = 14002491148482205728, which contains 22 as substring.

Its product of digits (11197440) is a multiple of the sum of its prime factors (8748).

It is not an unprimeable number, because it can be changed into a prime (2645986697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384393 + ... + 391215.

It is an arithmetic number, because the mean of its divisors is an integer number (136282104).

Almost surely, 2^2645986692 is an apocalyptic number.

It is an amenable number.

2645986692 is an abundant number, since it is smaller than the sum of its proper divisors (3895554300).

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

2645986692 is a wasteful number, since it uses less digits than its factorization.

2645986692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8748 (or 8746 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 57.

The square root of 2645986692 is about 51439.1552418972. The cubic root of 2645986692 is about 1383.1285688046.

The spelling of 2645986692 in words is "two billion, six hundred forty-five million, nine hundred eighty-six thousand, six hundred ninety-two".