119687926489 has 4 divisors (see below), whose sum is σ = 119835872820. Its totient is φ = 119539980160.

The previous prime is 119687926487. The next prime is 119687926511. The reversal of 119687926489 is 984629786911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 984629786911 = 183037 ⋅5379403.

It can be written as a sum of positive squares in 2 ways, for example, as 39976003600 + 79711922889 = 199940^2 + 282333^2 .

It is a cyclic number.

It is not a de Polignac number, because 119687926489 - 2¹ = 119687926487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (119687926481) 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, 73971952 + ... + 73973569.

It is an arithmetic number, because the mean of its divisors is an integer number (29958968205).

Almost surely, 2^119687926489 is an apocalyptic number.

It is an amenable number.

119687926489 is a deficient number, since it is larger than the sum of its proper divisors (147946331).

119687926489 is an equidigital number, since it uses as much as digits as its factorization.

119687926489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147946330.

The product of its digits is 94058496, while the sum is 70.

The spelling of 119687926489 in words is "one hundred nineteen billion, six hundred eighty-seven million, nine hundred twenty-six thousand, four hundred eighty-nine".