2507938913 has 4 divisors (see below), whose sum is σ = 2508652308. Its totient is φ = 2507225520.

The previous prime is 2507938891. The next prime is 2507938969. The reversal of 2507938913 is 3198397052.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1726568704 + 781370209 = 41552^2 + 27953^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2507938913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2507932913) 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, 351398 + ... + 358463.

It is an arithmetic number, because the mean of its divisors is an integer number (627163077).

Almost surely, 2^2507938913 is an apocalyptic number.

It is an amenable number.

2507938913 is a deficient number, since it is larger than the sum of its proper divisors (713395).

2507938913 is an equidigital number, since it uses as much as digits as its factorization.

2507938913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713394.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 2507938913 is about 50079.3262035343. The cubic root of 2507938913 is about 1358.6439252855.

The spelling of 2507938913 in words is "two billion, five hundred seven million, nine hundred thirty-eight thousand, nine hundred thirteen".