1013406612665 has 8 divisors (see below), whose sum is σ = 1216109168448. Its totient is φ = 810711134640.

The previous prime is 1013406612643. The next prime is 1013406612709. The reversal of 1013406612665 is 5662166043101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1013406612665 - 2²⁶ = 1013339503801 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1449167 + ... + 2031476.

It is an arithmetic number, because the mean of its divisors is an integer number (152013646056).

Almost surely, 2^{1013406612665} is an apocalyptic number.

It is an amenable number.

1013406612665 is a deficient number, since it is larger than the sum of its proper divisors (202702555783).

1013406612665 is an equidigital number, since it uses as much as digits as its factorization.

1013406612665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538879.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 1013406612665 in words is "one trillion, thirteen billion, four hundred six million, six hundred twelve thousand, six hundred sixty-five".