4152701621 has 2 divisors, whose sum is σ = 4152701622. Its totient is φ = 4152701620.

The previous prime is 4152701593. The next prime is 4152701699. The reversal of 4152701621 is 1261072514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2233035025 + 1919666596 = 47255^2 + 43814^2 .

It is a cyclic number.

It is not a de Polignac number, because 4152701621 - 2¹⁰ = 4152700597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4152721621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2076350810 + 2076350811.

It is an arithmetic number, because the mean of its divisors is an integer number (2076350811).

Almost surely, 2^4152701621 is an apocalyptic number.

It is an amenable number.

4152701621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4152701621 is an equidigital number, since it uses as much as digits as its factorization.

4152701621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 4152701621 is about 64441.4588677196. The cubic root of 4152701621 is about 1607.3492150321.

The spelling of 4152701621 in words is "four billion, one hundred fifty-two million, seven hundred one thousand, six hundred twenty-one".