4652121613 has 2 divisors, whose sum is σ = 4652121614. Its totient is φ = 4652121612.

The previous prime is 4652121541. The next prime is 4652121619. The reversal of 4652121613 is 3161212564.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3899003364 + 753118249 = 62442^2 + 27443^2 .

It is a cyclic number.

It is not a de Polignac number, because 4652121613 - 2²¹ = 4650024461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4652121619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2326060806 + 2326060807.

It is an arithmetic number, because the mean of its divisors is an integer number (2326060807).

Almost surely, 2^4652121613 is an apocalyptic number.

It is an amenable number.

4652121613 is a deficient number, since it is larger than the sum of its proper divisors (1).

4652121613 is an equidigital number, since it uses as much as digits as its factorization.

4652121613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 31.

The square root of 4652121613 is about 68206.4631321695. The cubic root of 4652121613 is about 1669.3613455465.

The spelling of 4652121613 in words is "four billion, six hundred fifty-two million, one hundred twenty-one thousand, six hundred thirteen".