46054678581 has 6 divisors (see below), whose sum is σ = 66523424630. Its totient is φ = 30703119048.

The previous prime is 46054678561. The next prime is 46054678619. The reversal of 46054678581 is 18587645064.

46054678581 is a `hidden beast` number, since 4 + 6 + 0 + 54 + 6 + 7 + 8 + 581 = 666.

It can be written as a sum of positive squares in only one way, i.e., 36867456081 + 9187222500 = 192009^2 + 95850^2 .

It is not a de Polignac number, because 46054678581 - 2¹⁴ = 46054662197 is a prime.

It is a super-2 number, since 2×46054678581² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46054678561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2558593246 + ... + 2558593263.

Almost surely, 2^46054678581 is an apocalyptic number.

It is an amenable number.

46054678581 is a deficient number, since it is larger than the sum of its proper divisors (20468746049).

46054678581 is a wasteful number, since it uses less digits than its factorization.

46054678581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5117186515 (or 5117186512 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 46054678581 in words is "forty-six billion, fifty-four million, six hundred seventy-eight thousand, five hundred eighty-one".