65147296939 has 2 divisors, whose sum is σ = 65147296940. Its totient is φ = 65147296938.

The previous prime is 65147296927. The next prime is 65147297011. The reversal of 65147296939 is 93969274156.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65147296939 - 2³³ = 56557362347 is a prime.

It is not a weakly prime, because it can be changed into another prime (65147296909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32573648469 + 32573648470.

It is an arithmetic number, because the mean of its divisors is an integer number (32573648470).

Almost surely, 2^65147296939 is an apocalyptic number.

65147296939 is a deficient number, since it is larger than the sum of its proper divisors (1).

65147296939 is an equidigital number, since it uses as much as digits as its factorization.

65147296939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22044960, while the sum is 61.

The spelling of 65147296939 in words is "sixty-five billion, one hundred forty-seven million, two hundred ninety-six thousand, nine hundred thirty-nine".