3697063021 has 2 divisors, whose sum is σ = 3697063022. Its totient is φ = 3697063020.

The previous prime is 3697063001. The next prime is 3697063043. The reversal of 3697063021 is 1203607963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2765287396 + 931775625 = 52586^2 + 30525^2 .

It is a cyclic number.

It is not a de Polignac number, because 3697063021 - 2⁷ = 3697062893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3697063001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1848531510 + 1848531511.

It is an arithmetic number, because the mean of its divisors is an integer number (1848531511).

Almost surely, 2^3697063021 is an apocalyptic number.

It is an amenable number.

3697063021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3697063021 is an equidigital number, since it uses as much as digits as its factorization.

3697063021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 3697063021 is about 60803.4786916012. The cubic root of 3697063021 is about 1546.2710251019.

The spelling of 3697063021 in words is "three billion, six hundred ninety-seven million, sixty-three thousand, twenty-one".