1918830743 has 2 divisors, whose sum is σ = 1918830744. Its totient is φ = 1918830742.

The previous prime is 1918830707. The next prime is 1918830751. The reversal of 1918830743 is 3470388191.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1918830743 - 2¹² = 1918826647 is a prime.

It is a super-2 number, since 2×1918830743² = 7363822840563864098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1918830694 and 1918830703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1918838743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 959415371 + 959415372.

It is an arithmetic number, because the mean of its divisors is an integer number (959415372).

Almost surely, 2^1918830743 is an apocalyptic number.

1918830743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1918830743 is an equidigital number, since it uses as much as digits as its factorization.

1918830743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 1918830743 is about 43804.4603094251. The cubic root of 1918830743 is about 1242.6406488313.

The spelling of 1918830743 in words is "one billion, nine hundred eighteen million, eight hundred thirty thousand, seven hundred forty-three".