47157403819 has 2 divisors, whose sum is σ = 47157403820. Its totient is φ = 47157403818.

The previous prime is 47157403717. The next prime is 47157403859. The reversal of 47157403819 is 91830475174.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47157403819 is a prime.

It is a super-2 number, since 2×47157403819² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47157403859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23578701909 + 23578701910.

It is an arithmetic number, because the mean of its divisors is an integer number (23578701910).

Almost surely, 2^47157403819 is an apocalyptic number.

47157403819 is a deficient number, since it is larger than the sum of its proper divisors (1).

47157403819 is an equidigital number, since it uses as much as digits as its factorization.

47157403819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 47157403819 in words is "forty-seven billion, one hundred fifty-seven million, four hundred three thousand, eight hundred nineteen".