1924980409 has 12 divisors (see below), whose sum is σ = 2123789220. Its totient is φ = 1743447200.

The previous prime is 1924980403. The next prime is 1924980419. The reversal of 1924980409 is 9040894291.

It can be written as a sum of positive squares in 2 ways, for example, as 585640000 + 1339340409 = 24200^2 + 36597^2 .

It is not a de Polignac number, because 1924980409 - 2⁹ = 1924979897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1924980403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2979 + ... + 62119.

It is an arithmetic number, because the mean of its divisors is an integer number (176982435).

Almost surely, 2^1924980409 is an apocalyptic number.

It is an amenable number.

1924980409 is a deficient number, since it is larger than the sum of its proper divisors (198808811).

1924980409 is a wasteful number, since it uses less digits than its factorization.

1924980409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59432 (or 59421 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 1924980409 is about 43874.5986762272. The cubic root of 1924980409 is about 1243.9667473268.

The spelling of 1924980409 in words is "one billion, nine hundred twenty-four million, nine hundred eighty thousand, four hundred nine".