814644741 has 16 divisors (see below), whose sum is σ = 1159029440. Its totient is φ = 507461760.

The previous prime is 814644739. The next prime is 814644767. The reversal of 814644741 is 147446418.

It is not a de Polignac number, because 814644741 - 2¹ = 814644739 is a prime.

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 814644741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814644731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93730 + ... + 102051.

It is an arithmetic number, because the mean of its divisors is an integer number (72439340).

Almost surely, 2^814644741 is an apocalyptic number.

It is an amenable number.

814644741 is a deficient number, since it is larger than the sum of its proper divisors (344384699).

814644741 is a wasteful number, since it uses less digits than its factorization.

814644741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195876.

The product of its digits is 86016, while the sum is 39.

The square root of 814644741 is about 28541.9820790358. The cubic root of 814644741 is about 933.9481211259.

The spelling of 814644741 in words is "eight hundred fourteen million, six hundred forty-four thousand, seven hundred forty-one".