3975401468069 has 2 divisors, whose sum is σ = 3975401468070. Its totient is φ = 3975401468068.

The previous prime is 3975401467967. The next prime is 3975401468201. The reversal of 3975401468069 is 9608641045793.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3716941075969 + 258460392100 = 1927937^2 + 508390^2 .

It is a cyclic number.

It is not a de Polignac number, because 3975401468069 - 2²⁴ = 3975384690853 is a prime.

It is a super-2 number, since 2×3975401468069² (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 (3975401168069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1987700734034 + 1987700734035.

It is an arithmetic number, because the mean of its divisors is an integer number (1987700734035).

Almost surely, 2^{3975401468069} is an apocalyptic number.

It is an amenable number.

3975401468069 is a deficient number, since it is larger than the sum of its proper divisors (1).

3975401468069 is an equidigital number, since it uses as much as digits as its factorization.

3975401468069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 3975401468069 in words is "three trillion, nine hundred seventy-five billion, four hundred one million, four hundred sixty-eight thousand, sixty-nine".