32505200491 has 2 divisors, whose sum is σ = 32505200492. Its totient is φ = 32505200490.

The previous prime is 32505200477. The next prime is 32505200509. The reversal of 32505200491 is 19400250523.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32505200491 - 2²³ = 32496811883 is a prime.

It is not a weakly prime, because it can be changed into another prime (32505200411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16252600245 + 16252600246.

It is an arithmetic number, because the mean of its divisors is an integer number (16252600246).

Almost surely, 2^32505200491 is an apocalyptic number.

32505200491 is a deficient number, since it is larger than the sum of its proper divisors (1).

32505200491 is an equidigital number, since it uses as much as digits as its factorization.

32505200491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 32505200491 in words is "thirty-two billion, five hundred five million, two hundred thousand, four hundred ninety-one".