1918748411 has 2 divisors, whose sum is σ = 1918748412. Its totient is φ = 1918748410.

The previous prime is 1918748387. The next prime is 1918748437. The reversal of 1918748411 is 1148478191.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1918748411 - 2¹⁸ = 1918486267 is a prime.

It is not a weakly prime, because it can be changed into another prime (1918798411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 959374205 + 959374206.

It is an arithmetic number, because the mean of its divisors is an integer number (959374206).

Almost surely, 2^1918748411 is an apocalyptic number.

1918748411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1918748411 is an equidigital number, since it uses as much as digits as its factorization.

1918748411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 44.

The square root of 1918748411 is about 43803.5205320303. The cubic root of 1918748411 is about 1242.6228757589.

The spelling of 1918748411 in words is "one billion, nine hundred eighteen million, seven hundred forty-eight thousand, four hundred eleven".