461624016769 has 4 divisors (see below), whose sum is σ = 461625392340. Its totient is φ = 461622641200.

The previous prime is 461624016757. The next prime is 461624016781. The reversal of 461624016769 is 967610426164.

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 is an interprime number because it is at equal distance from previous prime (461624016757) and next prime (461624016781).

It can be written as a sum of positive squares in 2 ways, for example, as 291168160000 + 170455856769 = 539600^2 + 412863^2 .

It is a cyclic number.

It is not a de Polignac number, because 461624016769 - 2¹¹ = 461624014721 is a prime.

It is a super-2 number, since 2×461624016769² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461624010769) 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, 183567 + ... + 978235.

It is an arithmetic number, because the mean of its divisors is an integer number (115406348085).

Almost surely, 2^461624016769 is an apocalyptic number.

It is an amenable number.

461624016769 is a deficient number, since it is larger than the sum of its proper divisors (1375571).

461624016769 is an equidigital number, since it uses as much as digits as its factorization.

461624016769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375570.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 461624016769 in words is "four hundred sixty-one billion, six hundred twenty-four million, sixteen thousand, seven hundred sixty-nine".