416485257623 has 4 divisors (see below), whose sum is σ = 438405534360. Its totient is φ = 394564980888.

The previous prime is 416485257619. The next prime is 416485257653. The reversal of 416485257623 is 326752584614.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 416485257623 - 2² = 416485257619 is a prime.

It is a super-2 number, since 2×416485257623² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (416485257613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10960138340 + ... + 10960138377.

It is an arithmetic number, because the mean of its divisors is an integer number (109601383590).

Almost surely, 2^416485257623 is an apocalyptic number.

416485257623 is a deficient number, since it is larger than the sum of its proper divisors (21920276737).

416485257623 is a wasteful number, since it uses less digits than its factorization.

416485257623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21920276736.

The product of its digits is 9676800, while the sum is 53.

The spelling of 416485257623 in words is "four hundred sixteen billion, four hundred eighty-five million, two hundred fifty-seven thousand, six hundred twenty-three".