464127405561 has 12 divisors (see below), whose sum is σ = 670412983188. Its totient is φ = 309415163904.

The previous prime is 464127405551. The next prime is 464127405593. The reversal of 464127405561 is 165504721464.

464127405561 is a `hidden beast` number, since 4 + 6 + 4 + 12 + 74 + 0 + 5 + 561 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 180842665536 + 283284740025 = 425256^2 + 532245^2 .

It is not a de Polignac number, because 464127405561 - 2¹⁴ = 464127389177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (464127405551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1019761 + ... + 1402913.

It is an arithmetic number, because the mean of its divisors is an integer number (55867748599).

Almost surely, 2^464127405561 is an apocalyptic number.

It is an amenable number.

464127405561 is a deficient number, since it is larger than the sum of its proper divisors (206285577627).

464127405561 is a wasteful number, since it uses less digits than its factorization.

464127405561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517752 (or 517749 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 464127405561 in words is "four hundred sixty-four billion, one hundred twenty-seven million, four hundred five thousand, five hundred sixty-one".