9913370371645 has 32 divisors (see below), whose sum is σ = 13679017051392. Its totient is φ = 6839508436992.

The previous prime is 9913370371633. The next prime is 9913370371699. The reversal of 9913370371645 is 5461730733199.

It is not a de Polignac number, because 9913370371645 - 2⁹ = 9913370371133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9913370371645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77040564 + ... + 77169133.

It is an arithmetic number, because the mean of its divisors is an integer number (427469282856).

Almost surely, 2^{9913370371645} is an apocalyptic number.

It is an amenable number.

9913370371645 is a deficient number, since it is larger than the sum of its proper divisors (3765646679747).

9913370371645 is a wasteful number, since it uses less digits than its factorization.

9913370371645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154209781.

The product of its (nonzero) digits is 12859560, while the sum is 58.

The spelling of 9913370371645 in words is "nine trillion, nine hundred thirteen billion, three hundred seventy million, three hundred seventy-one thousand, six hundred forty-five".