2691404632 has 16 divisors (see below), whose sum is σ = 5767295760. Its totient is φ = 1153459104.

The previous prime is 2691404629. The next prime is 2691404687. The reversal of 2691404632 is 2364041962.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2691404591 and 2691404600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24030343 + ... + 24030454.

It is an arithmetic number, because the mean of its divisors is an integer number (360455985).

Almost surely, 2^2691404632 is an apocalyptic number.

It is an amenable number.

2691404632 is an abundant number, since it is smaller than the sum of its proper divisors (3075891128).

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

2691404632 is a wasteful number, since it uses less digits than its factorization.

2691404632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48060810 (or 48060806 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 2691404632 is about 51878.7493295665. The cubic root of 2691404632 is about 1390.9974435935.

The spelling of 2691404632 in words is "two billion, six hundred ninety-one million, four hundred four thousand, six hundred thirty-two".