32976801421 has 2 divisors, whose sum is σ = 32976801422. Its totient is φ = 32976801420.

The previous prime is 32976801401. The next prime is 32976801491. The reversal of 32976801421 is 12410867923.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29967072100 + 3009729321 = 173110^2 + 54861^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32976801421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32976801401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16488400710 + 16488400711.

It is an arithmetic number, because the mean of its divisors is an integer number (16488400711).

Almost surely, 2^32976801421 is an apocalyptic number.

It is an amenable number.

32976801421 is a deficient number, since it is larger than the sum of its proper divisors (1).

32976801421 is an equidigital number, since it uses as much as digits as its factorization.

32976801421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 32976801421 in words is "thirty-two billion, nine hundred seventy-six million, eight hundred one thousand, four hundred twenty-one".