3993303995 has 16 divisors (see below), whose sum is σ = 5210980128. Its totient is φ = 2925457920.

The previous prime is 3993303989. The next prime is 3993303997. The reversal of 3993303995 is 5993033993.

It is not a de Polignac number, because 3993303995 - 2¹² = 3993299899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3993303997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 631721 + ... + 638010.

It is an arithmetic number, because the mean of its divisors is an integer number (325686258).

Almost surely, 2^3993303995 is an apocalyptic number.

3993303995 is a deficient number, since it is larger than the sum of its proper divisors (1217676133).

3993303995 is a wasteful number, since it uses less digits than its factorization.

3993303995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269790.

The product of its (nonzero) digits is 2657205, while the sum is 53.

The square root of 3993303995 is about 63192.5944632755. The cubic root of 3993303995 is about 1586.5147867993.

The spelling of 3993303995 in words is "three billion, nine hundred ninety-three million, three hundred three thousand, nine hundred ninety-five".