1924734961 has 4 divisors (see below), whose sum is σ = 1925475300. Its totient is φ = 1923994624.

The previous prime is 1924734949. The next prime is 1924734983. The reversal of 1924734961 is 1694374291.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1694374291 = 4409 ⋅384299.

It can be written as a sum of positive squares in 2 ways, for example, as 731377936 + 1193357025 = 27044^2 + 34545^2 .

It is a cyclic number.

It is not a de Polignac number, because 1924734961 - 2²⁷ = 1790517233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1924734761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366256 + ... + 371473.

It is an arithmetic number, because the mean of its divisors is an integer number (481368825).

Almost surely, 2^1924734961 is an apocalyptic number.

It is an amenable number.

1924734961 is a deficient number, since it is larger than the sum of its proper divisors (740339).

1924734961 is an equidigital number, since it uses as much as digits as its factorization.

1924734961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740338.

The product of its digits is 326592, while the sum is 46.

The square root of 1924734961 is about 43871.8014332669. The cubic root of 1924734961 is about 1243.9138736929.

The spelling of 1924734961 in words is "one billion, nine hundred twenty-four million, seven hundred thirty-four thousand, nine hundred sixty-one".