416605251689 has 12 divisors (see below), whose sum is σ = 470297736132. Its totient is φ = 368496041760.

The previous prime is 416605251683. The next prime is 416605251731. The reversal of 416605251689 is 986152506614.

It can be written as a sum of positive squares in 2 ways, for example, as 294029640025 + 122575611664 = 542245^2 + 350108^2 .

It is a de Polignac number, because none of the positive numbers 2^k-416605251689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 416605251689.

It is not an unprimeable number, because it can be changed into a prime (416605251683) 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, 46522802 + ... + 46531755.

It is an arithmetic number, because the mean of its divisors is an integer number (39191478011).

Almost surely, 2^416605251689 is an apocalyptic number.

It is an amenable number.

416605251689 is a deficient number, since it is larger than the sum of its proper divisors (53692484443).

416605251689 is a wasteful number, since it uses less digits than its factorization.

416605251689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93054616 (or 93054605 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 416605251689 in words is "four hundred sixteen billion, six hundred five million, two hundred fifty-one thousand, six hundred eighty-nine".