3974936784601 has 2 divisors, whose sum is σ = 3974936784602. Its totient is φ = 3974936784600.

The previous prime is 3974936784551. The next prime is 3974936784613. The reversal of 3974936784601 is 1064876394793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3906868496400 + 68068288201 = 1976580^2 + 260899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3974936784601 is a prime.

It is not a weakly prime, because it can be changed into another prime (3974936784001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1987468392300 + 1987468392301.

It is an arithmetic number, because the mean of its divisors is an integer number (1987468392301).

Almost surely, 2^{3974936784601} is an apocalyptic number.

It is an amenable number.

3974936784601 is a deficient number, since it is larger than the sum of its proper divisors (1).

3974936784601 is an equidigital number, since it uses as much as digits as its factorization.

3974936784601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 164602368, while the sum is 67.

The spelling of 3974936784601 in words is "three trillion, nine hundred seventy-four billion, nine hundred thirty-six million, seven hundred eighty-four thousand, six hundred one".