17138477379 has 16 divisors (see below), whose sum is σ = 23733177344. Its totient is φ = 10989237600.

The previous prime is 17138477351. The next prime is 17138477381. The reversal of 17138477379 is 97377483171.

It is not a de Polignac number, because 17138477379 - 2²³ = 17130088771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17138477179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550132 + ... + 580449.

It is an arithmetic number, because the mean of its divisors is an integer number (1483323584).

Almost surely, 2^17138477379 is an apocalyptic number.

17138477379 is a deficient number, since it is larger than the sum of its proper divisors (6594699965).

17138477379 is a wasteful number, since it uses less digits than its factorization.

17138477379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130778.

The product of its digits is 6223392, while the sum is 57.

The spelling of 17138477379 in words is "seventeen billion, one hundred thirty-eight million, four hundred seventy-seven thousand, three hundred seventy-nine".