34637423647 has 2 divisors, whose sum is σ = 34637423648. Its totient is φ = 34637423646.

The previous prime is 34637423617. The next prime is 34637423663. The reversal of 34637423647 is 74632473643.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34637423647 is a prime.

It is a super-2 number, since 2×34637423647² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 34637423647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34637423617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17318711823 + 17318711824.

It is an arithmetic number, because the mean of its divisors is an integer number (17318711824).

Almost surely, 2^34637423647 is an apocalyptic number.

34637423647 is a deficient number, since it is larger than the sum of its proper divisors (1).

34637423647 is an equidigital number, since it uses as much as digits as its factorization.

34637423647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 49.

The spelling of 34637423647 in words is "thirty-four billion, six hundred thirty-seven million, four hundred twenty-three thousand, six hundred forty-seven".