3870174521 has 2 divisors, whose sum is σ = 3870174522. Its totient is φ = 3870174520.

The previous prime is 3870174481. The next prime is 3870174551. The reversal of 3870174521 is 1254710783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2668858921 + 1201315600 = 51661^2 + 34660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3870174521 is a prime.

It is not a weakly prime, because it can be changed into another prime (3870174551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1935087260 + 1935087261.

It is an arithmetic number, because the mean of its divisors is an integer number (1935087261).

Almost surely, 2^3870174521 is an apocalyptic number.

It is an amenable number.

3870174521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3870174521 is an equidigital number, since it uses as much as digits as its factorization.

3870174521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 3870174521 is about 62210.7267358291. The cubic root of 3870174521 is about 1570.0380697221.

The spelling of 3870174521 in words is "three billion, eight hundred seventy million, one hundred seventy-four thousand, five hundred twenty-one".