51357647963 has 2 divisors, whose sum is σ = 51357647964. Its totient is φ = 51357647962.

The previous prime is 51357647947. The next prime is 51357648053. The reversal of 51357647963 is 36974675315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51357647963 - 2⁴ = 51357647947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51357647899 and 51357647908.

It is not a weakly prime, because it can be changed into another prime (51357677963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25678823981 + 25678823982.

It is an arithmetic number, because the mean of its divisors is an integer number (25678823982).

Almost surely, 2^51357647963 is an apocalyptic number.

51357647963 is a deficient number, since it is larger than the sum of its proper divisors (1).

51357647963 is an equidigital number, since it uses as much as digits as its factorization.

51357647963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14288400, while the sum is 56.

The spelling of 51357647963 in words is "fifty-one billion, three hundred fifty-seven million, six hundred forty-seven thousand, nine hundred sixty-three".