2502744657 has 16 divisors (see below), whose sum is σ = 4014428160. Its totient is φ = 1354869072.

The previous prime is 2502744653. The next prime is 2502744683. The reversal of 2502744657 is 7564472052.

It is not a de Polignac number, because 2502744657 - 2² = 2502744653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2502744653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3135873 + ... + 3136670.

It is an arithmetic number, because the mean of its divisors is an integer number (250901760).

Almost surely, 2^2502744657 is an apocalyptic number.

It is an amenable number.

2502744657 is a deficient number, since it is larger than the sum of its proper divisors (1511683503).

2502744657 is a wasteful number, since it uses less digits than its factorization.

2502744657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6272572.

The product of its (nonzero) digits is 470400, while the sum is 42.

The square root of 2502744657 is about 50027.4390409903. The cubic root of 2502744657 is about 1357.7053030016.

The spelling of 2502744657 in words is "two billion, five hundred two million, seven hundred forty-four thousand, six hundred fifty-seven".