49380657971 has 2 divisors, whose sum is σ = 49380657972. Its totient is φ = 49380657970.

The previous prime is 49380657923. The next prime is 49380658003. The reversal of 49380657971 is 17975608394.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49380657971 - 2³⁴ = 32200788787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49380657971.

It is not a weakly prime, because it can be changed into another prime (49380650971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24690328985 + 24690328986.

It is an arithmetic number, because the mean of its divisors is an integer number (24690328986).

Almost surely, 2^49380657971 is an apocalyptic number.

49380657971 is a deficient number, since it is larger than the sum of its proper divisors (1).

49380657971 is an equidigital number, since it uses as much as digits as its factorization.

49380657971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11430720, while the sum is 59.

The spelling of 49380657971 in words is "forty-nine billion, three hundred eighty million, six hundred fifty-seven thousand, nine hundred seventy-one".