2158677299 has 2 divisors, whose sum is σ = 2158677300. Its totient is φ = 2158677298.

The previous prime is 2158677203. The next prime is 2158677319. The reversal of 2158677299 is 9927768512.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2158677299 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2158671299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079338649 + 1079338650.

It is an arithmetic number, because the mean of its divisors is an integer number (1079338650).

Almost surely, 2^2158677299 is an apocalyptic number.

2158677299 is a deficient number, since it is larger than the sum of its proper divisors (1).

2158677299 is an equidigital number, since it uses as much as digits as its factorization.

2158677299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 56.

The square root of 2158677299 is about 46461.5679782764. The cubic root of 2158677299 is about 1292.3969015382.

The spelling of 2158677299 in words is "two billion, one hundred fifty-eight million, six hundred seventy-seven thousand, two hundred ninety-nine".