4154376681 has 80 divisors (see below), whose sum is σ = 7884878848. Its totient is φ = 2120515200.

The previous prime is 4154376661. The next prime is 4154376689. The reversal of 4154376681 is 1866734514.

4154376681 is a `hidden beast` number, since 41 + 543 + 7 + 6 + 68 + 1 = 666.

It is not a de Polignac number, because 4154376681 - 2¹¹ = 4154374633 is a prime.

It is a super-2 number, since 2×4154376681² = 34517691215273151522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4154376689) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 219411 + ... + 237591.

Almost surely, 2^4154376681 is an apocalyptic number.

It is an amenable number.

4154376681 is a deficient number, since it is larger than the sum of its proper divisors (3730502167).

4154376681 is a wasteful number, since it uses less digits than its factorization.

4154376681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18244 (or 18235 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 4154376681 is about 64454.4543146554. The cubic root of 4154376681 is about 1607.5653028302.

The spelling of 4154376681 in words is "four billion, one hundred fifty-four million, three hundred seventy-six thousand, six hundred eighty-one".