416873681 has 4 divisors (see below), whose sum is σ = 476427072. Its totient is φ = 357320292.

The previous prime is 416873671. The next prime is 416873683. The reversal of 416873681 is 186378614.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 416873681 - 2⁶ = 416873617 is a prime.

It is a super-2 number, since 2×416873681² = 347567331820979522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (416873683) 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, 29776685 + ... + 29776698.

It is an arithmetic number, because the mean of its divisors is an integer number (119106768).

Almost surely, 2^416873681 is an apocalyptic number.

It is an amenable number.

416873681 is a deficient number, since it is larger than the sum of its proper divisors (59553391).

416873681 is an equidigital number, since it uses as much as digits as its factorization.

416873681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59553390.

The product of its digits is 193536, while the sum is 44.

The square root of 416873681 is about 20417.4846883743. The cubic root of 416873681 is about 747.0244659486.

The spelling of 416873681 in words is "four hundred sixteen million, eight hundred seventy-three thousand, six hundred eighty-one".