3930253561 has 8 divisors (see below), whose sum is σ = 4233071304. Its totient is φ = 3627505920.

The previous prime is 3930253559. The next prime is 3930253571. The reversal of 3930253561 is 1653520393.

It can be written as a sum of positive squares in 4 ways, for example, as 1290246400 + 2640007161 = 35920^2 + 51381^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3930253561 - 2¹ = 3930253559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3930253561.

It is not an unprimeable number, because it can be changed into a prime (3930253571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190071 + ... + 209731.

It is an arithmetic number, because the mean of its divisors is an integer number (529133913).

Almost surely, 2^3930253561 is an apocalyptic number.

It is an amenable number.

3930253561 is a deficient number, since it is larger than the sum of its proper divisors (302817743).

3930253561 is a wasteful number, since it uses less digits than its factorization.

3930253561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35051.

The product of its (nonzero) digits is 72900, while the sum is 37.

The square root of 3930253561 is about 62691.7343913853. The cubic root of 3930253561 is about 1578.1206037147.

The spelling of 3930253561 in words is "three billion, nine hundred thirty million, two hundred fifty-three thousand, five hundred sixty-one".