2696620287 has 4 divisors (see below), whose sum is σ = 3595493720. Its totient is φ = 1797746856.

The previous prime is 2696620279. The next prime is 2696620331. The reversal of 2696620287 is 7820266962.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2696620287 - 2³ = 2696620279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2696622287) 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, 449436712 + ... + 449436717.

It is an arithmetic number, because the mean of its divisors is an integer number (898873430).

Almost surely, 2^2696620287 is an apocalyptic number.

2696620287 is a deficient number, since it is larger than the sum of its proper divisors (898873433).

2696620287 is an equidigital number, since it uses as much as digits as its factorization.

2696620287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898873432.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 2696620287 is about 51928.9927400869. The cubic root of 2696620287 is about 1391.8953986707.

The spelling of 2696620287 in words is "two billion, six hundred ninety-six million, six hundred twenty thousand, two hundred eighty-seven".