699991365445 has 16 divisors (see below), whose sum is σ = 847565365248. Its totient is φ = 554952625920.

The previous prime is 699991365433. The next prime is 699991365487. The reversal of 699991365445 is 544563199996.

It is not a de Polignac number, because 699991365445 - 2¹¹ = 699991363397 is a prime.

It is a Duffinian number.

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, 66189 + ... + 1185058.

It is an arithmetic number, because the mean of its divisors is an integer number (52972835328).

Almost surely, 2^699991365445 is an apocalyptic number.

It is an amenable number.

699991365445 is a deficient number, since it is larger than the sum of its proper divisors (147573999803).

699991365445 is a wasteful number, since it uses less digits than its factorization.

699991365445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252260.

The product of its digits is 283435200, while the sum is 70.

The spelling of 699991365445 in words is "six hundred ninety-nine billion, nine hundred ninety-one million, three hundred sixty-five thousand, four hundred forty-five".