2690915838 has 16 divisors (see below), whose sum is σ = 5795818896. Its totient is φ = 827974080.

The previous prime is 2690915807. The next prime is 2690915861. The reversal of 2690915838 is 8385190962.

It is a happy number.

2690915838 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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17249383 + ... + 17249538.

It is an arithmetic number, because the mean of its divisors is an integer number (362238681).

Almost surely, 2^2690915838 is an apocalyptic number.

2690915838 is an abundant number, since it is smaller than the sum of its proper divisors (3104903058).

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

2690915838 is a wasteful number, since it uses less digits than its factorization.

2690915838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34498939.

The product of its (nonzero) digits is 933120, while the sum is 51.

The square root of 2690915838 is about 51874.0381886739. The cubic root of 2690915838 is about 1390.9132307676.

The spelling of 2690915838 in words is "two billion, six hundred ninety million, nine hundred fifteen thousand, eight hundred thirty-eight".