1013799187 has 2 divisors, whose sum is σ = 1013799188. Its totient is φ = 1013799186.

The previous prime is 1013799173. The next prime is 1013799191. The reversal of 1013799187 is 7819973101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1013799187 - 2¹⁵ = 1013766419 is a prime.

It is not a weakly prime, because it can be changed into another prime (1013799887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506899593 + 506899594.

It is an arithmetic number, because the mean of its divisors is an integer number (506899594).

Almost surely, 2^1013799187 is an apocalyptic number.

1013799187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013799187 is an equidigital number, since it uses as much as digits as its factorization.

1013799187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 46.

The square root of 1013799187 is about 31840.2133629786. The cubic root of 1013799187 is about 1004.5787322139.

The spelling of 1013799187 in words is "one billion, thirteen million, seven hundred ninety-nine thousand, one hundred eighty-seven".