3992458887121 has 2 divisors, whose sum is σ = 3992458887122. Its totient is φ = 3992458887120.

The previous prime is 3992458887097. The next prime is 3992458887133. The reversal of 3992458887121 is 1217888542993.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3886768877121 + 105690010000 = 1971489^2 + 325100^2 .

It is a cyclic number.

It is not a de Polignac number, because 3992458887121 - 2⁵ = 3992458887089 is a prime.

It is not a weakly prime, because it can be changed into another prime (3992458887421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1996229443560 + 1996229443561.

It is an arithmetic number, because the mean of its divisors is an integer number (1996229443561).

Almost surely, 2^{3992458887121} is an apocalyptic number.

It is an amenable number.

3992458887121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3992458887121 is an equidigital number, since it uses as much as digits as its factorization.

3992458887121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69672960, while the sum is 67.

The spelling of 3992458887121 in words is "three trillion, nine hundred ninety-two billion, four hundred fifty-eight million, eight hundred eighty-seven thousand, one hundred twenty-one".