32204405491 has 2 divisors, whose sum is σ = 32204405492. Its totient is φ = 32204405490.

The previous prime is 32204405437. The next prime is 32204405531. The reversal of 32204405491 is 19450440223.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32204405491 is a prime.

It is not a weakly prime, because it can be changed into another prime (32204405411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16102202745 + 16102202746.

It is an arithmetic number, because the mean of its divisors is an integer number (16102202746).

Almost surely, 2^32204405491 is an apocalyptic number.

32204405491 is a deficient number, since it is larger than the sum of its proper divisors (1).

32204405491 is an equidigital number, since it uses as much as digits as its factorization.

32204405491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 32204405491 in words is "thirty-two billion, two hundred four million, four hundred five thousand, four hundred ninety-one".