2690396377 has 4 divisors (see below), whose sum is σ = 2691262080. Its totient is φ = 2689530676.

The previous prime is 2690396369. The next prime is 2690396413. The reversal of 2690396377 is 7736930962.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2690396377 - 2³ = 2690396369 is a prime.

It is a super-2 number, since 2×2690396377² = 14476465330749452258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2690396327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428173 + ... + 434410.

It is an arithmetic number, because the mean of its divisors is an integer number (672815520).

Almost surely, 2^2690396377 is an apocalyptic number.

It is an amenable number.

2690396377 is a deficient number, since it is larger than the sum of its proper divisors (865703).

2690396377 is an equidigital number, since it uses as much as digits as its factorization.

2690396377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865702.

The product of its (nonzero) digits is 2571912, while the sum is 52.

The square root of 2690396377 is about 51869.0310011668. The cubic root of 2690396377 is about 1390.8237232394.

The spelling of 2690396377 in words is "two billion, six hundred ninety million, three hundred ninety-six thousand, three hundred seventy-seven".