47377181563 has 2 divisors, whose sum is σ = 47377181564. Its totient is φ = 47377181562.

The previous prime is 47377181521. The next prime is 47377181573. The reversal of 47377181563 is 36518177374.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47377181563 - 2²¹ = 47375084411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47377181563.

It is not a weakly prime, because it can be changed into another prime (47377181503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23688590781 + 23688590782.

It is an arithmetic number, because the mean of its divisors is an integer number (23688590782).

Almost surely, 2^47377181563 is an apocalyptic number.

47377181563 is a deficient number, since it is larger than the sum of its proper divisors (1).

47377181563 is an equidigital number, since it uses as much as digits as its factorization.

47377181563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2963520, while the sum is 52.

The spelling of 47377181563 in words is "forty-seven billion, three hundred seventy-seven million, one hundred eighty-one thousand, five hundred sixty-three".