416374641781 has 12 divisors (see below), whose sum is σ = 485538438540. Its totient is φ = 356019935040.

The previous prime is 416374641733. The next prime is 416374641869. The reversal of 416374641781 is 187146473614.

It can be written as a sum of positive squares in 2 ways, for example, as 321790714756 + 94583927025 = 567266^2 + 307545^2 .

It is not a de Polignac number, because 416374641781 - 2³¹ = 414227158133 is a prime.

It is a super-2 number, since 2×416374641781² (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 (416374642781) 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, 10368030 + ... + 10408111.

It is an arithmetic number, because the mean of its divisors is an integer number (40461536545).

Almost surely, 2^416374641781 is an apocalyptic number.

It is an amenable number.

416374641781 is a deficient number, since it is larger than the sum of its proper divisors (69163796759).

416374641781 is a wasteful number, since it uses less digits than its factorization.

416374641781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20776564 (or 20776557 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 52.

The spelling of 416374641781 in words is "four hundred sixteen billion, three hundred seventy-four million, six hundred forty-one thousand, seven hundred eighty-one".