25344813002 has 16 divisors (see below), whose sum is σ = 39053060712. Its totient is φ = 12327272640.

The previous prime is 25344812989. The next prime is 25344813037. The reversal of 25344813002 is 20031844352.

It can be written as a sum of positive squares in 4 ways, for example, as 25344321601 + 491401 = 159199^2 + 701^2 .

It is a super-2 number, since 2×25344813002² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25344813002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337448 + ... + 405660.

Almost surely, 2^25344813002 is an apocalyptic number.

25344813002 is a deficient number, since it is larger than the sum of its proper divisors (13708247710).

25344813002 is a wasteful number, since it uses less digits than its factorization.

25344813002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73273.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 25344813002 in words is "twenty-five billion, three hundred forty-four million, eight hundred thirteen thousand, two".