474137789 has 4 divisors (see below), whose sum is σ = 475496700. Its totient is φ = 472778880.

The previous prime is 474137779. The next prime is 474137809. The reversal of 474137789 is 987731474.

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 209815225 + 264322564 = 14485^2 + 16258^2 .

It is a cyclic number.

It is not a de Polignac number, because 474137789 - 2⁴ = 474137773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474137779) 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, 678932 + ... + 679629.

It is an arithmetic number, because the mean of its divisors is an integer number (118874175).

Almost surely, 2^474137789 is an apocalyptic number.

It is an amenable number.

474137789 is a deficient number, since it is larger than the sum of its proper divisors (1358911).

474137789 is a wasteful number, since it uses less digits than its factorization.

474137789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358910.

The product of its digits is 1185408, while the sum is 50.

The square root of 474137789 is about 21774.7052563290. The cubic root of 474137789 is about 779.7729938787.

The spelling of 474137789 in words is "four hundred seventy-four million, one hundred thirty-seven thousand, seven hundred eighty-nine".