1924340081 has 2 divisors, whose sum is σ = 1924340082. Its totient is φ = 1924340080.

The previous prime is 1924340027. The next prime is 1924340087. The reversal of 1924340081 is 1800434291.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1018631056 + 905709025 = 31916^2 + 30095^2 .

It is a cyclic number.

It is not a de Polignac number, because 1924340081 - 2⁶ = 1924340017 is a prime.

It is a super-2 number, since 2×1924340081² = 7406169494686173122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1924340087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962170040 + 962170041.

It is an arithmetic number, because the mean of its divisors is an integer number (962170041).

Almost surely, 2^1924340081 is an apocalyptic number.

It is an amenable number.

1924340081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1924340081 is an equidigital number, since it uses as much as digits as its factorization.

1924340081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1924340081 is about 43867.3008173514. The cubic root of 1924340081 is about 1243.8288004550.

The spelling of 1924340081 in words is "one billion, nine hundred twenty-four million, three hundred forty thousand, eighty-one".