38726141645 has 8 divisors (see below), whose sum is σ = 46931483160. Its totient is φ = 30674171200.

The previous prime is 38726141609. The next prime is 38726141653. The reversal of 38726141645 is 54614162783.

It can be written as a sum of positive squares in 4 ways, for example, as 23434098724 + 15292042921 = 153082^2 + 123661^2 .

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

It is not a de Polignac number, because 38726141645 - 2²⁶ = 38659032781 is a prime.

It is a super-3 number, since 3×38726141645³ (a number of 33 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38726141645.

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, 38342210 + ... + 38343219.

It is an arithmetic number, because the mean of its divisors is an integer number (5866435395).

Almost surely, 2^38726141645 is an apocalyptic number.

It is an amenable number.

38726141645 is a deficient number, since it is larger than the sum of its proper divisors (8205341515).

38726141645 is a wasteful number, since it uses less digits than its factorization.

38726141645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76685535.

The product of its digits is 967680, while the sum is 47.

The spelling of 38726141645 in words is "thirty-eight billion, seven hundred twenty-six million, one hundred forty-one thousand, six hundred forty-five".