2500838867258 has 16 divisors (see below), whose sum is σ = 3760804887840. Its totient is φ = 1247238181200.

The previous prime is 2500838867251. The next prime is 2500838867269. The reversal of 2500838867258 is 8527688380052.

It is a self number, because there is not a number n which added to its sum of digits gives 2500838867258.

It is not an unprimeable number, because it can be changed into a prime (2500838867251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5148413 + ... + 5613183.

It is an arithmetic number, because the mean of its divisors is an integer number (235050305490).

Almost surely, 2^{2500838867258} is an apocalyptic number.

2500838867258 is a deficient number, since it is larger than the sum of its proper divisors (1259966020582).

2500838867258 is a wasteful number, since it uses less digits than its factorization.

2500838867258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471613.

The product of its (nonzero) digits is 51609600, while the sum is 62.

The spelling of 2500838867258 in words is "two trillion, five hundred billion, eight hundred thirty-eight million, eight hundred sixty-seven thousand, two hundred fifty-eight".