493454454394 has 64 divisors (see below), whose sum is σ = 821795466240. Its totient is φ = 220363920000.

The previous prime is 493454454379. The next prime is 493454454413.

It is a happy number.

493454454394 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×493454454394² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129752097 + ... + 129755899.

It is an arithmetic number, because the mean of its divisors is an integer number (12840554160).

Almost surely, 2^493454454394 is an apocalyptic number.

493454454394 is a deficient number, since it is larger than the sum of its proper divisors (328341011846).

493454454394 is a wasteful number, since it uses less digits than its factorization.

493454454394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4387.

The product of its digits is 74649600, while the sum is 58.

The spelling of 493454454394 in words is "four hundred ninety-three billion, four hundred fifty-four million, four hundred fifty-four thousand, three hundred ninety-four".