1013051999 has 2 divisors, whose sum is σ = 1013052000. Its totient is φ = 1013051998.

The previous prime is 1013051969. The next prime is 1013052031. The reversal of 1013051999 is 9991503101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1013051999 - 2²⁰ = 1012003423 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013051939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506525999 + 506526000.

It is an arithmetic number, because the mean of its divisors is an integer number (506526000).

Almost surely, 2^1013051999 is an apocalyptic number.

1013051999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013051999 is an equidigital number, since it uses as much as digits as its factorization.

1013051999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10935, while the sum is 38.

The square root of 1013051999 is about 31828.4777989774. The cubic root of 1013051999 is about 1004.3318741040.

The spelling of 1013051999 in words is "one billion, thirteen million, fifty-one thousand, nine hundred ninety-nine".