3669556653625 has 16 divisors (see below), whose sum is σ = 4579662606480. Its totient is φ = 2935609488000.

The previous prime is 3669556653611. The next prime is 3669556653673. The reversal of 3669556653625 is 5263566559663.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 291577320441 + 3377979333184 = 539979^2 + 1837928^2 .

It is not a de Polignac number, because 3669556653625 - 2¹⁷ = 3669556522553 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15729331 + ... + 15960919.

It is an arithmetic number, because the mean of its divisors is an integer number (286228912905).

Almost surely, 2^{3669556653625} is an apocalyptic number.

It is an amenable number.

3669556653625 is a deficient number, since it is larger than the sum of its proper divisors (910105952855).

3669556653625 is a wasteful number, since it uses less digits than its factorization.

3669556653625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358365 (or 358355 counting only the distinct ones).

The product of its digits is 787320000, while the sum is 67.

The spelling of 3669556653625 in words is "three trillion, six hundred sixty-nine billion, five hundred fifty-six million, six hundred fifty-three thousand, six hundred twenty-five".