454194023729 has 4 divisors (see below), whose sum is σ = 454251677760. Its totient is φ = 454136369700.

The previous prime is 454194023719. The next prime is 454194023737. The reversal of 454194023729 is 927320491454.

It is a happy number.

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 454194023729 - 2⁸ = 454194023473 is a prime.

It is a super-2 number, since 2×454194023729² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454194023719) 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, 28815197 + ... + 28830954.

It is an arithmetic number, because the mean of its divisors is an integer number (113562919440).

Almost surely, 2^454194023729 is an apocalyptic number.

It is an amenable number.

454194023729 is a deficient number, since it is larger than the sum of its proper divisors (57654031).

454194023729 is an equidigital number, since it uses as much as digits as its factorization.

454194023729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57654030.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 454194023729 in words is "four hundred fifty-four billion, one hundred ninety-four million, twenty-three thousand, seven hundred twenty-nine".