2140165989537 has 4 divisors (see below), whose sum is σ = 2853554652720. Its totient is φ = 1426777326356.

The previous prime is 2140165989487. The next prime is 2140165989539. The reversal of 2140165989537 is 7359895610412.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 2140165989537 - 2²⁴ = 2140149212321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2140165989539) 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, 356694331587 + ... + 356694331592.

It is an arithmetic number, because the mean of its divisors is an integer number (713388663180).

It is a 1-persistent number, because it is pandigital, but 2⋅2140165989537 = 4280331979074 is not.

Almost surely, 2^{2140165989537} is an apocalyptic number.

It is an amenable number.

2140165989537 is a deficient number, since it is larger than the sum of its proper divisors (713388663183).

2140165989537 is an equidigital number, since it uses as much as digits as its factorization.

2140165989537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713388663182.

The product of its (nonzero) digits is 16329600, while the sum is 60.

The spelling of 2140165989537 in words is "two trillion, one hundred forty billion, one hundred sixty-five million, nine hundred eighty-nine thousand, five hundred thirty-seven".