3651725633 has 2 divisors, whose sum is σ = 3651725634. Its totient is φ = 3651725632.

The previous prime is 3651725629. The next prime is 3651725657. The reversal of 3651725633 is 3365271563.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3065504689 + 586220944 = 55367^2 + 24212^2 .

It is a cyclic number.

It is not a de Polignac number, because 3651725633 - 2² = 3651725629 is a prime.

It is not a weakly prime, because it can be changed into another prime (3651727633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1825862816 + 1825862817.

It is an arithmetic number, because the mean of its divisors is an integer number (1825862817).

Almost surely, 2^3651725633 is an apocalyptic number.

It is an amenable number.

3651725633 is a deficient number, since it is larger than the sum of its proper divisors (1).

3651725633 is an equidigital number, since it uses as much as digits as its factorization.

3651725633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 41.

The square root of 3651725633 is about 60429.5096207143. The cubic root of 3651725633 is about 1539.9243276754.

The spelling of 3651725633 in words is "three billion, six hundred fifty-one million, seven hundred twenty-five thousand, six hundred thirty-three".