1924490866913 has 2 divisors, whose sum is σ = 1924490866914. Its totient is φ = 1924490866912.

The previous prime is 1924490866807. The next prime is 1924490866931. The reversal of 1924490866913 is 3196680944291.

Together with next prime (1924490866931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1231762583104 + 692728283809 = 1109848^2 + 832303^2 .

It is a cyclic number.

It is not a de Polignac number, because 1924490866913 - 2²⁴ = 1924474089697 is a prime.

It is not a weakly prime, because it can be changed into another prime (1924490860913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962245433456 + 962245433457.

It is an arithmetic number, because the mean of its divisors is an integer number (962245433457).

Almost surely, 2^{1924490866913} is an apocalyptic number.

It is an amenable number.

1924490866913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1924490866913 is an equidigital number, since it uses as much as digits as its factorization.

1924490866913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20155392, while the sum is 62.

The spelling of 1924490866913 in words is "one trillion, nine hundred twenty-four billion, four hundred ninety million, eight hundred sixty-six thousand, nine hundred thirteen".