299464451939 has 2 divisors, whose sum is σ = 299464451940. Its totient is φ = 299464451938.

The previous prime is 299464451809. The next prime is 299464452037. The reversal of 299464451939 is 939154464992.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-299464451939 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (299464456939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149732225969 + 149732225970.

It is an arithmetic number, because the mean of its divisors is an integer number (149732225970).

Almost surely, 2^299464451939 is an apocalyptic number.

299464451939 is a deficient number, since it is larger than the sum of its proper divisors (1).

299464451939 is an equidigital number, since it uses as much as digits as its factorization.

299464451939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75582720, while the sum is 65.

The spelling of 299464451939 in words is "two hundred ninety-nine billion, four hundred sixty-four million, four hundred fifty-one thousand, nine hundred thirty-nine".