52211613947 has 2 divisors, whose sum is σ = 52211613948. Its totient is φ = 52211613946.

The previous prime is 52211613943. The next prime is 52211613989. The reversal of 52211613947 is 74931611225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52211613947 - 2² = 52211613943 is a prime.

It is not a weakly prime, because it can be changed into another prime (52211613943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26105806973 + 26105806974.

It is an arithmetic number, because the mean of its divisors is an integer number (26105806974).

Almost surely, 2^52211613947 is an apocalyptic number.

52211613947 is a deficient number, since it is larger than the sum of its proper divisors (1).

52211613947 is an equidigital number, since it uses as much as digits as its factorization.

52211613947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The spelling of 52211613947 in words is "fifty-two billion, two hundred eleven million, six hundred thirteen thousand, nine hundred forty-seven".