1824912961 has 3 divisors (see below), whose sum is σ = 1824955681. Its totient is φ = 1824870242.

The previous prime is 1824912953. The next prime is 1824912979. The reversal of 1824912961 is 1692194281.

The square root of 1824912961 is 42719.

It is a perfect power (a square), and thus also a powerful number.

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 not a de Polignac number, because 1824912961 - 2³ = 1824912953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1824912461) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 21360 + ... + 64078.

Almost surely, 2^1824912961 is an apocalyptic number.

1824912961 is the 42719-th square number.

1824912961 is the 21360-th centered octagonal number.

It is an amenable number.

1824912961 is a deficient number, since it is larger than the sum of its proper divisors (42720).

1824912961 is an frugal number, since it uses more digits than its factorization.

1824912961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85438 (or 42719 counting only the distinct ones).

The product of its digits is 62208, while the sum is 43.

The cubic root of 1824912961 is about 1222.0267665926.

The spelling of 1824912961 in words is "one billion, eight hundred twenty-four million, nine hundred twelve thousand, nine hundred sixty-one".