3874402997 has 2 divisors, whose sum is σ = 3874402998. Its totient is φ = 3874402996.

The previous prime is 3874402967. The next prime is 3874403021. The reversal of 3874402997 is 7992044783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3872697361 + 1705636 = 62231^2 + 1306^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3874402997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3874402907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1937201498 + 1937201499.

It is an arithmetic number, because the mean of its divisors is an integer number (1937201499).

Almost surely, 2^3874402997 is an apocalyptic number.

It is an amenable number.

3874402997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3874402997 is an equidigital number, since it uses as much as digits as its factorization.

3874402997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The square root of 3874402997 is about 62244.7025617442. The cubic root of 3874402997 is about 1570.6096590992.

The spelling of 3874402997 in words is "three billion, eight hundred seventy-four million, four hundred two thousand, nine hundred ninety-seven".