1924356649139 has 2 divisors, whose sum is σ = 1924356649140. Its totient is φ = 1924356649138.

The previous prime is 1924356649097. The next prime is 1924356649151. The reversal of 1924356649139 is 9319466534291.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1924356649139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1924356649169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962178324569 + 962178324570.

It is an arithmetic number, because the mean of its divisors is an integer number (962178324570).

Almost surely, 2^{1924356649139} is an apocalyptic number.

1924356649139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1924356649139 is an equidigital number, since it uses as much as digits as its factorization.

1924356649139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37791360, while the sum is 62.

The spelling of 1924356649139 in words is "one trillion, nine hundred twenty-four billion, three hundred fifty-six million, six hundred forty-nine thousand, one hundred thirty-nine".