1164273899 has 2 divisors, whose sum is σ = 1164273900. Its totient is φ = 1164273898.

The previous prime is 1164273871. The next prime is 1164273923. The reversal of 1164273899 is 9983724611.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1164273899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1164273839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582136949 + 582136950.

It is an arithmetic number, because the mean of its divisors is an integer number (582136950).

Almost surely, 2^1164273899 is an apocalyptic number.

1164273899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164273899 is an equidigital number, since it uses as much as digits as its factorization.

1164273899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 50.

The square root of 1164273899 is about 34121.4580432900. The cubic root of 1164273899 is about 1052.0064126964.

The spelling of 1164273899 in words is "one billion, one hundred sixty-four million, two hundred seventy-three thousand, eight hundred ninety-nine".