3665764272445 has 8 divisors (see below), whose sum is σ = 4798818684000. Its totient is φ = 2666010379920.

The previous prime is 3665764272437. The next prime is 3665764272473. The reversal of 3665764272445 is 5442724675663.

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

It is not a de Polignac number, because 3665764272445 - 2³ = 3665764272437 is a prime.

It is a super-2 number, since 2×3665764272445² (a number of 26 digits) contains 22 as substring.

It is a congruent 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, 33325129695 + ... + 33325129804.

It is an arithmetic number, because the mean of its divisors is an integer number (599852335500).

Almost surely, 2^{3665764272445} is an apocalyptic number.

It is an amenable number.

3665764272445 is a deficient number, since it is larger than the sum of its proper divisors (1133054411555).

3665764272445 is a wasteful number, since it uses less digits than its factorization.

3665764272445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66650259515.

The product of its digits is 203212800, while the sum is 61.

The spelling of 3665764272445 in words is "three trillion, six hundred sixty-five billion, seven hundred sixty-four million, two hundred seventy-two thousand, four hundred forty-five".