3312432496781 has 2 divisors, whose sum is σ = 3312432496782. Its totient is φ = 3312432496780.

The previous prime is 3312432496739. The next prime is 3312432496801. The reversal of 3312432496781 is 1876942342133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1987792631881 + 1324639864900 = 1409891^2 + 1150930^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3312432496781 is a prime.

It is a super-2 number, since 2×3312432496781² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3312432496981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656216248390 + 1656216248391.

It is an arithmetic number, because the mean of its divisors is an integer number (1656216248391).

Almost surely, 2^{3312432496781} is an apocalyptic number.

It is an amenable number.

3312432496781 is a deficient number, since it is larger than the sum of its proper divisors (1).

3312432496781 is an equidigital number, since it uses as much as digits as its factorization.

3312432496781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 53.

The spelling of 3312432496781 in words is "three trillion, three hundred twelve billion, four hundred thirty-two million, four hundred ninety-six thousand, seven hundred eighty-one".