48507901639 has 2 divisors, whose sum is σ = 48507901640. Its totient is φ = 48507901638.

The previous prime is 48507901597. The next prime is 48507901703. The reversal of 48507901639 is 93610970584.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48507901639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48507901339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24253950819 + 24253950820.

It is an arithmetic number, because the mean of its divisors is an integer number (24253950820).

Almost surely, 2^48507901639 is an apocalyptic number.

48507901639 is a deficient number, since it is larger than the sum of its proper divisors (1).

48507901639 is an equidigital number, since it uses as much as digits as its factorization.

48507901639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 48507901639 in words is "forty-eight billion, five hundred seven million, nine hundred one thousand, six hundred thirty-nine".