75609424655425 has 24 divisors (see below), whose sum is σ = 100630599972696. Its totient is φ = 56149593661440.

The previous prime is 75609424655371. The next prime is 75609424655437. The reversal of 75609424655425 is 52455642490657.

It is a Cunningham number, because it is equal to 8695368²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 16743948411969 + 58865476243456 = 4091937^2 + 7672384^2 .

It is not a de Polignac number, because 75609424655425 - 2¹¹ = 75609424653377 is a prime.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1218493144 + ... + 1218555193.

It is an arithmetic number, because the mean of its divisors is an integer number (4192941665529).

Almost surely, 2^{75609424655425} is an apocalyptic number.

It is an amenable number.

75609424655425 is a deficient number, since it is larger than the sum of its proper divisors (25021175317271).

75609424655425 is a wasteful number, since it uses less digits than its factorization.

75609424655425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437048437 (or 2437048432 counting only the distinct ones).

The product of its (nonzero) digits is 362880000, while the sum is 64.

The spelling of 75609424655425 in words is "seventy-five trillion, six hundred nine billion, four hundred twenty-four million, six hundred fifty-five thousand, four hundred twenty-five".