3261612921037 has 2 divisors, whose sum is σ = 3261612921038. Its totient is φ = 3261612921036.

The previous prime is 3261612920981. The next prime is 3261612921041. The reversal of 3261612921037 is 7301292161623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2861412448041 + 400200472996 = 1691571^2 + 632614^2 .

It is a cyclic number.

It is not a de Polignac number, because 3261612921037 - 2³⁵ = 3227253182669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3261612920984 and 3261612921002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3261612921137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1630806460518 + 1630806460519.

It is an arithmetic number, because the mean of its divisors is an integer number (1630806460519).

Almost surely, 2^{3261612921037} is an apocalyptic number.

It is an amenable number.

3261612921037 is a deficient number, since it is larger than the sum of its proper divisors (1).

3261612921037 is an equidigital number, since it uses as much as digits as its factorization.

3261612921037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 3261612921037 in words is "three trillion, two hundred sixty-one billion, six hundred twelve million, nine hundred twenty-one thousand, thirty-seven".