2147993995 has 16 divisors (see below), whose sum is σ = 2957568768. Its totient is φ = 1467036000.

The previous prime is 2147993993. The next prime is 2147994001. The reversal of 2147993995 is 5993997412.

It is not a de Polignac number, because 2147993995 - 2¹ = 2147993993 is a prime.

It is a super-2 number, since 2×2147993995² = 9227756405112120050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2147993993) 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, 113469 + ... + 131038.

It is an arithmetic number, because the mean of its divisors is an integer number (184848048).

Almost surely, 2^2147993995 is an apocalyptic number.

2147993995 is a deficient number, since it is larger than the sum of its proper divisors (809574773).

2147993995 is a wasteful number, since it uses less digits than its factorization.

2147993995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244770.

The product of its digits is 5511240, while the sum is 58.

The square root of 2147993995 is about 46346.4561212613. The cubic root of 2147993995 is about 1290.2613486067.

The spelling of 2147993995 in words is "two billion, one hundred forty-seven million, nine hundred ninety-three thousand, nine hundred ninety-five".