2199387057 has 32 divisors (see below), whose sum is σ = 3532481280. Its totient is φ = 1190542080.

The previous prime is 2199387049. The next prime is 2199387059. The reversal of 2199387057 is 7507839912.

It is not a de Polignac number, because 2199387057 - 2³ = 2199387049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2199387059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1794 + ... + 66347.

It is an arithmetic number, because the mean of its divisors is an integer number (110390040).

Almost surely, 2^2199387057 is an apocalyptic number.

It is an amenable number.

2199387057 is a deficient number, since it is larger than the sum of its proper divisors (1333094223).

2199387057 is a wasteful number, since it uses less digits than its factorization.

2199387057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68233.

The product of its (nonzero) digits is 952560, while the sum is 51.

The square root of 2199387057 is about 46897.6231487268. The cubic root of 2199387057 is about 1300.4706495075.

The spelling of 2199387057 in words is "two billion, one hundred ninety-nine million, three hundred eighty-seven thousand, fifty-seven".