409781162463 has 32 divisors (see below), whose sum is σ = 577406968320. Its totient is φ = 257995393920.

The previous prime is 409781162447. The next prime is 409781162467. The reversal of 409781162463 is 364261187904.

It is a happy number.

It is not a de Polignac number, because 409781162463 - 2⁴ = 409781162447 is a prime.

It is a super-2 number, since 2×409781162463² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409781162467) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1617945 + ... + 1853997.

It is an arithmetic number, because the mean of its divisors is an integer number (18043967760).

Almost surely, 2^409781162463 is an apocalyptic number.

409781162463 is a deficient number, since it is larger than the sum of its proper divisors (167625805857).

409781162463 is a wasteful number, since it uses less digits than its factorization.

409781162463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236399.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 409781162463 in words is "four hundred nine billion, seven hundred eighty-one million, one hundred sixty-two thousand, four hundred sixty-three".