1474435889 has 4 divisors (see below), whose sum is σ = 1474526820. Its totient is φ = 1474344960.

The previous prime is 1474435877. The next prime is 1474435909. The reversal of 1474435889 is 9885344741.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1194877489 + 279558400 = 34567^2 + 16720^2 .

It is a cyclic number.

It is not a de Polignac number, because 1474435889 - 2⁴ = 1474435873 is a prime.

It is a super-2 number, since 2×1474435889² = 4347922381542440642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1474435889.

It is not an unprimeable number, because it can be changed into a prime (1474435189) 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, 13784 + ... + 56025.

It is an arithmetic number, because the mean of its divisors is an integer number (368631705).

Almost surely, 2^1474435889 is an apocalyptic number.

It is an amenable number.

1474435889 is a deficient number, since it is larger than the sum of its proper divisors (90931).

1474435889 is an equidigital number, since it uses as much as digits as its factorization.

1474435889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90930.

The product of its digits is 3870720, while the sum is 53.

The square root of 1474435889 is about 38398.3839373482. The cubic root of 1474435889 is about 1138.1739229771.

The spelling of 1474435889 in words is "one billion, four hundred seventy-four million, four hundred thirty-five thousand, eight hundred eighty-nine".