32719855891 has 2 divisors, whose sum is σ = 32719855892. Its totient is φ = 32719855890.

The previous prime is 32719855849. The next prime is 32719855979. The reversal of 32719855891 is 19855891723.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32719855891 - 2⁹ = 32719855379 is a prime.

It is not a weakly prime, because it can be changed into another prime (32719855801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16359927945 + 16359927946.

It is an arithmetic number, because the mean of its divisors is an integer number (16359927946).

Almost surely, 2^32719855891 is an apocalyptic number.

32719855891 is a deficient number, since it is larger than the sum of its proper divisors (1).

32719855891 is an equidigital number, since it uses as much as digits as its factorization.

32719855891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5443200, while the sum is 58.

The spelling of 32719855891 in words is "thirty-two billion, seven hundred nineteen million, eight hundred fifty-five thousand, eight hundred ninety-one".