3974274901 has 2 divisors, whose sum is σ = 3974274902. Its totient is φ = 3974274900.

The previous prime is 3974274877. The next prime is 3974274923. The reversal of 3974274901 is 1094724793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3099594276 + 874680625 = 55674^2 + 29575^2 .

It is a cyclic number.

It is not a de Polignac number, because 3974274901 - 2¹¹ = 3974272853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3974274961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1987137450 + 1987137451.

It is an arithmetic number, because the mean of its divisors is an integer number (1987137451).

Almost surely, 2^3974274901 is an apocalyptic number.

It is an amenable number.

3974274901 is a deficient number, since it is larger than the sum of its proper divisors (1).

3974274901 is an equidigital number, since it uses as much as digits as its factorization.

3974274901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 3974274901 is about 63041.8503932110. The cubic root of 3974274901 is about 1583.9907264713.

The spelling of 3974274901 in words is "three billion, nine hundred seventy-four million, two hundred seventy-four thousand, nine hundred one".