3925580929 has 2 divisors, whose sum is σ = 3925580930. Its totient is φ = 3925580928.

The previous prime is 3925580881. The next prime is 3925580999. The reversal of 3925580929 is 9290855293.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2507305329 + 1418275600 = 50073^2 + 37660^2 .

It is a cyclic number.

It is not a de Polignac number, because 3925580929 - 2²¹ = 3923483777 is a prime.

It is not a weakly prime, because it can be changed into another prime (3925580999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1962790464 + 1962790465.

It is an arithmetic number, because the mean of its divisors is an integer number (1962790465).

Almost surely, 2^3925580929 is an apocalyptic number.

It is an amenable number.

3925580929 is a deficient number, since it is larger than the sum of its proper divisors (1).

3925580929 is an equidigital number, since it uses as much as digits as its factorization.

3925580929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1749600, while the sum is 52.

The square root of 3925580929 is about 62654.4565773258. The cubic root of 3925580929 is about 1577.4949527291.

The spelling of 3925580929 in words is "three billion, nine hundred twenty-five million, five hundred eighty thousand, nine hundred twenty-nine".