147356457835991 has 2 divisors, whose sum is σ = 147356457835992. Its totient is φ = 147356457835990.

The previous prime is 147356457835963. The next prime is 147356457836111. The reversal of 147356457835991 is 199538754653741.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 147356457835991 - 2²⁶ = 147356390727127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147356457835291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73678228917995 + 73678228917996.

It is an arithmetic number, because the mean of its divisors is an integer number (73678228917996).

Almost surely, 2^{147356457835991} is an apocalyptic number.

147356457835991 is a deficient number, since it is larger than the sum of its proper divisors (1).

147356457835991 is an equidigital number, since it uses as much as digits as its factorization.

147356457835991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3429216000, while the sum is 77.

The spelling of 147356457835991 in words is "one hundred forty-seven trillion, three hundred fifty-six billion, four hundred fifty-seven million, eight hundred thirty-five thousand, nine hundred ninety-one".