814357489 has 4 divisors (see below), whose sum is σ = 888390000. Its totient is φ = 740324980.

The previous prime is 814357487. The next prime is 814357501. The reversal of 814357489 is 984753418.

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 814357489 - 2¹ = 814357487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (814357483) 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, 37016239 + ... + 37016260.

It is an arithmetic number, because the mean of its divisors is an integer number (222097500).

Almost surely, 2^814357489 is an apocalyptic number.

It is an amenable number.

814357489 is a deficient number, since it is larger than the sum of its proper divisors (74032511).

814357489 is a wasteful number, since it uses less digits than its factorization.

814357489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74032510.

The product of its digits is 967680, while the sum is 49.

The square root of 814357489 is about 28536.9495391501. The cubic root of 814357489 is about 933.8383350270.

The spelling of 814357489 in words is "eight hundred fourteen million, three hundred fifty-seven thousand, four hundred eighty-nine".