2257671993 has 16 divisors (see below), whose sum is σ = 3092832960. Its totient is φ = 1464339456.

The previous prime is 2257671967. The next prime is 2257672007. The reversal of 2257671993 is 3991767522.

It is not a de Polignac number, because 2257671993 - 2⁸ = 2257671737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2257671293) 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, 48580 + ... + 82917.

It is an arithmetic number, because the mean of its divisors is an integer number (193302060).

Almost surely, 2^2257671993 is an apocalyptic number.

It is an amenable number.

2257671993 is a deficient number, since it is larger than the sum of its proper divisors (835160967).

2257671993 is a wasteful number, since it uses less digits than its factorization.

2257671993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131656.

The product of its digits is 1428840, while the sum is 51.

The square root of 2257671993 is about 47514.9659896753. The cubic root of 2257671993 is about 1311.8583637831.

The spelling of 2257671993 in words is "two billion, two hundred fifty-seven million, six hundred seventy-one thousand, nine hundred ninety-three".