47158066639 has 2 divisors, whose sum is σ = 47158066640. Its totient is φ = 47158066638.

The previous prime is 47158066619. The next prime is 47158066661. The reversal of 47158066639 is 93666085174.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47158066639 - 2⁷ = 47158066511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47158066639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47158066619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23579033319 + 23579033320.

It is an arithmetic number, because the mean of its divisors is an integer number (23579033320).

Almost surely, 2^47158066639 is an apocalyptic number.

47158066639 is a deficient number, since it is larger than the sum of its proper divisors (1).

47158066639 is an equidigital number, since it uses as much as digits as its factorization.

47158066639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 47158066639 in words is "forty-seven billion, one hundred fifty-eight million, sixty-six thousand, six hundred thirty-nine".