479121745 has 4 divisors (see below), whose sum is σ = 574946100. Its totient is φ = 383297392.

The previous prime is 479121719. The next prime is 479121779. The reversal of 479121745 is 547121974.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 139051264 + 340070481 = 11792^2 + 18441^2 .

It is a cyclic number.

It is not a de Polignac number, because 479121745 - 2²⁵ = 445567313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 479121698 and 479121707.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47912170 + ... + 47912179.

It is an arithmetic number, because the mean of its divisors is an integer number (143736525).

Almost surely, 2^479121745 is an apocalyptic number.

It is an amenable number.

479121745 is a deficient number, since it is larger than the sum of its proper divisors (95824355).

479121745 is an equidigital number, since it uses as much as digits as its factorization.

479121745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95824354.

The product of its digits is 70560, while the sum is 40.

The square root of 479121745 is about 21888.8497870491. The cubic root of 479121745 is about 782.4957016779.

The spelling of 479121745 in words is "four hundred seventy-nine million, one hundred twenty-one thousand, seven hundred forty-five".