113493401947 has 2 divisors, whose sum is σ = 113493401948. Its totient is φ = 113493401946.

The previous prime is 113493401941. The next prime is 113493401971. The reversal of 113493401947 is 749104394311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113493401947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113493401897 and 113493401906.

It is not a weakly prime, because it can be changed into another prime (113493401941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56746700973 + 56746700974.

It is an arithmetic number, because the mean of its divisors is an integer number (56746700974).

Almost surely, 2^113493401947 is an apocalyptic number.

113493401947 is a deficient number, since it is larger than the sum of its proper divisors (1).

113493401947 is an equidigital number, since it uses as much as digits as its factorization.

113493401947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 113493401947 in words is "one hundred thirteen billion, four hundred ninety-three million, four hundred one thousand, nine hundred forty-seven".