149377593361 has 4 divisors (see below), whose sum is σ = 153414825652. Its totient is φ = 145340361072.

The previous prime is 149377593353. The next prime is 149377593397. The reversal of 149377593361 is 163395773941.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103015321600 + 46362271761 = 320960^2 + 215319^2 .

It is a cyclic number.

It is not a de Polignac number, because 149377593361 - 2³ = 149377593353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149377593296 and 149377593305.

It is not an unprimeable number, because it can be changed into a prime (149377593331) 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, 2018616090 + ... + 2018616163.

It is an arithmetic number, because the mean of its divisors is an integer number (38353706413).

Almost surely, 2^149377593361 is an apocalyptic number.

It is an amenable number.

149377593361 is a deficient number, since it is larger than the sum of its proper divisors (4037232291).

149377593361 is an equidigital number, since it uses as much as digits as its factorization.

149377593361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4037232290.

The product of its digits is 12859560, while the sum is 58.

The spelling of 149377593361 in words is "one hundred forty-nine billion, three hundred seventy-seven million, five hundred ninety-three thousand, three hundred sixty-one".