48918957947 has 2 divisors, whose sum is σ = 48918957948. Its totient is φ = 48918957946.

The previous prime is 48918957881. The next prime is 48918957949. The reversal of 48918957947 is 74975981984.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 48918957947 - 2¹⁸ = 48918695803 is a prime.

Together with 48918957949, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48918957949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24459478973 + 24459478974.

It is an arithmetic number, because the mean of its divisors is an integer number (24459478974).

Almost surely, 2^48918957947 is an apocalyptic number.

48918957947 is a deficient number, since it is larger than the sum of its proper divisors (1).

48918957947 is an equidigital number, since it uses as much as digits as its factorization.

48918957947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 182891520, while the sum is 71.

The spelling of 48918957947 in words is "forty-eight billion, nine hundred eighteen million, nine hundred fifty-seven thousand, nine hundred forty-seven".