3750391376389 has 4 divisors (see below), whose sum is σ = 4286161573024. Its totient is φ = 3214621179756.

The previous prime is 3750391376387. The next prime is 3750391376401. The reversal of 3750391376389 is 9836731930573.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3750391376389 - 2¹ = 3750391376387 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 3750391376389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3750391376387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267885098307 + ... + 267885098320.

It is an arithmetic number, because the mean of its divisors is an integer number (1071540393256).

Almost surely, 2^{3750391376389} is an apocalyptic number.

It is an amenable number.

3750391376389 is a deficient number, since it is larger than the sum of its proper divisors (535770196635).

3750391376389 is an equidigital number, since it uses as much as digits as its factorization.

3750391376389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535770196634.

The product of its (nonzero) digits is 77157360, while the sum is 64.

The spelling of 3750391376389 in words is "three trillion, seven hundred fifty billion, three hundred ninety-one million, three hundred seventy-six thousand, three hundred eighty-nine".