1942751243 has 2 divisors, whose sum is σ = 1942751244. Its totient is φ = 1942751242.

The previous prime is 1942751149. The next prime is 1942751269. The reversal of 1942751243 is 3421572491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1942751243 - 2¹⁶ = 1942685707 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1942751197 and 1942751206.

It is not a weakly prime, because it can be changed into another prime (1942751743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 971375621 + 971375622.

It is an arithmetic number, because the mean of its divisors is an integer number (971375622).

Almost surely, 2^1942751243 is an apocalyptic number.

1942751243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1942751243 is an equidigital number, since it uses as much as digits as its factorization.

1942751243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 1942751243 is about 44076.6519032469. The cubic root of 1942751243 is about 1247.7830021009.

The spelling of 1942751243 in words is "one billion, nine hundred forty-two million, seven hundred fifty-one thousand, two hundred forty-three".