34377747643 has 2 divisors, whose sum is σ = 34377747644. Its totient is φ = 34377747642.

The previous prime is 34377747589. The next prime is 34377747661. The reversal of 34377747643 is 34674777343.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34377747643 is a prime.

It is not a weakly prime, because it can be changed into another prime (34377747343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17188873821 + 17188873822.

It is an arithmetic number, because the mean of its divisors is an integer number (17188873822).

Almost surely, 2^34377747643 is an apocalyptic number.

34377747643 is a deficient number, since it is larger than the sum of its proper divisors (1).

34377747643 is an equidigital number, since it uses as much as digits as its factorization.

34377747643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24893568, while the sum is 55.

The spelling of 34377747643 in words is "thirty-four billion, three hundred seventy-seven million, seven hundred forty-seven thousand, six hundred forty-three".