25409484506 has 16 divisors (see below), whose sum is σ = 43732664640. Its totient is φ = 10846392000.

The previous prime is 25409484431. The next prime is 25409484559. The reversal of 25409484506 is 60548490452.

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, 3611951 + ... + 3618978.

It is an arithmetic number, because the mean of its divisors is an integer number (2733291540).

Almost surely, 2^25409484506 is an apocalyptic number.

25409484506 is a deficient number, since it is larger than the sum of its proper divisors (18323180134).

25409484506 is a wasteful number, since it uses less digits than its factorization.

25409484506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7231189.

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 25409484506 in words is "twenty-five billion, four hundred nine million, four hundred eighty-four thousand, five hundred six".