1918292729459 has 2 divisors, whose sum is σ = 1918292729460. Its totient is φ = 1918292729458.

The previous prime is 1918292729377. The next prime is 1918292729467. The reversal of 1918292729459 is 9549272928191.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1918292729459 - 2¹⁶ = 1918292663923 is a prime.

It is not a weakly prime, because it can be changed into another prime (1918292729489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 959146364729 + 959146364730.

It is an arithmetic number, because the mean of its divisors is an integer number (959146364730).

Almost surely, 2^{1918292729459} is an apocalyptic number.

1918292729459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1918292729459 is an equidigital number, since it uses as much as digits as its factorization.

1918292729459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58786560, while the sum is 68.

The spelling of 1918292729459 in words is "one trillion, nine hundred eighteen billion, two hundred ninety-two million, seven hundred twenty-nine thousand, four hundred fifty-nine".