39623629641 has 16 divisors (see below), whose sum is σ = 53140760640. Its totient is φ = 26261498880.

The previous prime is 39623629627. The next prime is 39623629651. The reversal of 39623629641 is 14692632693.

It is a happy number.

It is not a de Polignac number, because 39623629641 - 2¹⁷ = 39623498569 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (39623629621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382530 + ... + 474948.

It is an arithmetic number, because the mean of its divisors is an integer number (3321297540).

Almost surely, 2^39623629641 is an apocalyptic number.

It is an amenable number.

39623629641 is a deficient number, since it is larger than the sum of its proper divisors (13517130999).

39623629641 is a wasteful number, since it uses less digits than its factorization.

39623629641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93256.

The product of its digits is 2519424, while the sum is 51.

The spelling of 39623629641 in words is "thirty-nine billion, six hundred twenty-three million, six hundred twenty-nine thousand, six hundred forty-one".