7436013720645 has 16 divisors (see below), whose sum is σ = 11898032080320. Its totient is φ = 3965737275264.

The previous prime is 7436013720623. The next prime is 7436013720659. The reversal of 7436013720645 is 5460273106347.

It is not a de Polignac number, because 7436013720645 - 2⁵ = 7436013720613 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7436013720594 and 7436013720603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8093904 + ... + 8965673.

It is an arithmetic number, because the mean of its divisors is an integer number (743627005020).

Almost surely, 2^{7436013720645} is an apocalyptic number.

It is an amenable number.

7436013720645 is a deficient number, since it is larger than the sum of its proper divisors (4462018359675).

7436013720645 is a wasteful number, since it uses less digits than its factorization.

7436013720645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17088644.

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 7436013720645 in words is "seven trillion, four hundred thirty-six billion, thirteen million, seven hundred twenty thousand, six hundred forty-five".