3971354264539 has 2 divisors, whose sum is σ = 3971354264540. Its totient is φ = 3971354264538.

The previous prime is 3971354264459. The next prime is 3971354264543. The reversal of 3971354264539 is 9354624531793.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3971354264539 is a prime.

It is not a weakly prime, because it can be changed into another prime (3971354264569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1985677132269 + 1985677132270.

It is an arithmetic number, because the mean of its divisors is an integer number (1985677132270).

Almost surely, 2^{3971354264539} is an apocalyptic number.

3971354264539 is a deficient number, since it is larger than the sum of its proper divisors (1).

3971354264539 is an equidigital number, since it uses as much as digits as its factorization.

3971354264539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73483200, while the sum is 61.

The spelling of 3971354264539 in words is "three trillion, nine hundred seventy-one billion, three hundred fifty-four million, two hundred sixty-four thousand, five hundred thirty-nine".