154979241471 has 12 divisors (see below), whose sum is σ = 224862758848. Its totient is φ = 102856176864.

The previous prime is 154979241419. The next prime is 154979241481. The reversal of 154979241471 is 174142979451.

154979241471 is a `hidden beast` number, since 1 + 5 + 49 + 7 + 92 + 41 + 471 = 666.

It is not a de Polignac number, because 154979241471 - 2⁹ = 154979240959 is a prime.

It is a super-3 number, since 3×154979241471³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154979241481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38607670 + ... + 38611683.

Almost surely, 2^154979241471 is an apocalyptic number.

154979241471 is a deficient number, since it is larger than the sum of its proper divisors (69883517377).

154979241471 is a wasteful number, since it uses less digits than its factorization.

154979241471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77219582 (or 77219579 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The spelling of 154979241471 in words is "one hundred fifty-four billion, nine hundred seventy-nine million, two hundred forty-one thousand, four hundred seventy-one".