1924115399949 has 16 divisors (see below), whose sum is σ = 2608651249920. Its totient is φ = 1261179428160.

The previous prime is 1924115399933. The next prime is 1924115400007. The reversal of 1924115399949 is 9499935114291.

It is a happy number.

It is not a de Polignac number, because 1924115399949 - 2⁴ = 1924115399933 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1924115399949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1924115391949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1799109 + ... + 2661770.

It is an arithmetic number, because the mean of its divisors is an integer number (163040703120).

Almost surely, 2^{1924115399949} is an apocalyptic number.

It is an amenable number.

1924115399949 is a deficient number, since it is larger than the sum of its proper divisors (684535849971).

1924115399949 is a wasteful number, since it uses less digits than its factorization.

1924115399949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4463300.

The product of its digits is 28343520, while the sum is 66.

The spelling of 1924115399949 in words is "one trillion, nine hundred twenty-four billion, one hundred fifteen million, three hundred ninety-nine thousand, nine hundred forty-nine".