1013698409 has 4 divisors (see below), whose sum is σ = 1028828304. Its totient is φ = 998568516.

The previous prime is 1013698351. The next prime is 1013698417. The reversal of 1013698409 is 9048963101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1013698409 - 2²⁴ = 996921193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013698429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7564847 + ... + 7564980.

It is an arithmetic number, because the mean of its divisors is an integer number (257207076).

Almost surely, 2^1013698409 is an apocalyptic number.

It is an amenable number.

1013698409 is a deficient number, since it is larger than the sum of its proper divisors (15129895).

1013698409 is an equidigital number, since it uses as much as digits as its factorization.

1013698409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15129894.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 1013698409 is about 31838.6307651570. The cubic root of 1013698409 is about 1004.5454439679.

The spelling of 1013698409 in words is "one billion, thirteen million, six hundred ninety-eight thousand, four hundred nine".