2732316137921 has 2 divisors, whose sum is σ = 2732316137922. Its totient is φ = 2732316137920.

The previous prime is 2732316137909. The next prime is 2732316137939. The reversal of 2732316137921 is 1297316132372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2731747840000 + 568297921 = 1652800^2 + 23839^2 .

It is a cyclic number.

It is not a de Polignac number, because 2732316137921 - 2⁶ = 2732316137857 is a prime.

It is not a weakly prime, because it can be changed into another prime (2732316137021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1366158068960 + 1366158068961.

It is an arithmetic number, because the mean of its divisors is an integer number (1366158068961).

Almost surely, 2^{2732316137921} is an apocalyptic number.

It is an amenable number.

2732316137921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2732316137921 is an equidigital number, since it uses as much as digits as its factorization.

2732316137921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 47.

The spelling of 2732316137921 in words is "two trillion, seven hundred thirty-two billion, three hundred sixteen million, one hundred thirty-seven thousand, nine hundred twenty-one".