2788494651 has 12 divisors (see below), whose sum is σ = 4029345528. Its totient is φ = 1858294944.

The previous prime is 2788494617. The next prime is 2788494697. The reversal of 2788494651 is 1564948872.

It is a happy number.

2788494651 is a `hidden beast` number, since 27 + 88 + 494 + 6 + 51 = 666.

2788494651 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 not a de Polignac number, because 2788494651 - 2¹⁹ = 2787970363 is a prime.

It is a super-2 number, since 2×2788494651² = 15551404837311223602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2788494601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32685 + ... + 81518.

It is an arithmetic number, because the mean of its divisors is an integer number (335778794).

Almost surely, 2^2788494651 is an apocalyptic number.

2788494651 is a deficient number, since it is larger than the sum of its proper divisors (1240850877).

2788494651 is a wasteful number, since it uses less digits than its factorization.

2788494651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116922 (or 116919 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The square root of 2788494651 is about 52806.1989826952. The cubic root of 2788494651 is about 1407.5265811301.

The spelling of 2788494651 in words is "two billion, seven hundred eighty-eight million, four hundred ninety-four thousand, six hundred fifty-one".