65405095643 has 2 divisors, whose sum is σ = 65405095644. Its totient is φ = 65405095642.

The previous prime is 65405095627. The next prime is 65405095649. The reversal of 65405095643 is 34659050456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65405095643 - 2⁴ = 65405095627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (65405095649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32702547821 + 32702547822.

It is an arithmetic number, because the mean of its divisors is an integer number (32702547822).

Almost surely, 2^65405095643 is an apocalyptic number.

65405095643 is a deficient number, since it is larger than the sum of its proper divisors (1).

65405095643 is an equidigital number, since it uses as much as digits as its factorization.

65405095643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 65405095643 in words is "sixty-five billion, four hundred five million, ninety-five thousand, six hundred forty-three".