494444444437 has 4 divisors (see below), whose sum is σ = 496324461600. Its totient is φ = 492564427276.

The previous prime is 494444444413. The next prime is 494444444453. The reversal of 494444444437 is 734444444494.

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 a cyclic number.

It is not a de Polignac number, because 494444444437 - 2⁷ = 494444444309 is a prime.

It is a super-2 number, since 2×494444444437² (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 (494444444237) 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, 940008187 + ... + 940008712.

It is an arithmetic number, because the mean of its divisors is an integer number (124081115400).

Almost surely, 2^494444444437 is an apocalyptic number.

It is an amenable number.

494444444437 is a deficient number, since it is larger than the sum of its proper divisors (1880017163).

494444444437 is a wasteful number, since it uses less digits than its factorization.

494444444437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880017162.

The product of its digits is 49545216, while the sum is 55.

The spelling of 494444444437 in words is "four hundred ninety-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred thirty-seven".