406760909856813 has 12 divisors (see below), whose sum is σ = 587789062415100. Its totient is φ = 271060620232896.

The previous prime is 406760909856803. The next prime is 406760909856863. The reversal of 406760909856813 is 318658909067604.

406760909856813 is a `hidden beast` number, since 4 + 0 + 6 + 7 + 609 + 0 + 9 + 8 + 5 + 6 + 8 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 46654610054724 + 360106299802089 = 6830418^2 + 18976467^2 .

It is not a de Polignac number, because 406760909856813 - 2¹⁰ = 406760909855789 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406760909856803) 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, 9443283238 + ... + 9443326311.

It is an arithmetic number, because the mean of its divisors is an integer number (48982421867925).

Almost surely, 2^{406760909856813} is an apocalyptic number.

It is an amenable number.

406760909856813 is a deficient number, since it is larger than the sum of its proper divisors (181028152558287).

406760909856813 is a wasteful number, since it uses less digits than its factorization.

406760909856813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18886611948 (or 18886611945 counting only the distinct ones).

The product of its (nonzero) digits is 470292480, while the sum is 72.

The spelling of 406760909856813 in words is "four hundred six trillion, seven hundred sixty billion, nine hundred nine million, eight hundred fifty-six thousand, eight hundred thirteen".