1013500969 has 4 divisors (see below), whose sum is σ = 1091462596. Its totient is φ = 935539344.

The previous prime is 1013500937. The next prime is 1013500973. The reversal of 1013500969 is 9690053101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9690053101 = 131 ⋅73969871.

It can be written as a sum of positive squares in 2 ways, for example, as 428490000 + 585010969 = 20700^2 + 24187^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013500969 - 2⁵ = 1013500937 is a prime.

It is a super-2 number, since 2×1013500969² = 2054368428327877922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013500069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38980794 + ... + 38980819.

It is an arithmetic number, because the mean of its divisors is an integer number (272865649).

Almost surely, 2^1013500969 is an apocalyptic number.

It is an amenable number.

1013500969 is a deficient number, since it is larger than the sum of its proper divisors (77961627).

1013500969 is an equidigital number, since it uses as much as digits as its factorization.

1013500969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77961626.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 1013500969 is about 31835.5299783120. The cubic root of 1013500969 is about 1004.4802206467.

The spelling of 1013500969 in words is "one billion, thirteen million, five hundred thousand, nine hundred sixty-nine".