1913935747 has 2 divisors, whose sum is σ = 1913935748. Its totient is φ = 1913935746.

The previous prime is 1913935733. The next prime is 1913935789. The reversal of 1913935747 is 7475393191.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1913935747 - 2¹¹ = 1913933699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1913935747.

It is not a weakly prime, because it can be changed into another prime (1913930747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 956967873 + 956967874.

It is an arithmetic number, because the mean of its divisors is an integer number (956967874).

Almost surely, 2^1913935747 is an apocalyptic number.

1913935747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1913935747 is an equidigital number, since it uses as much as digits as its factorization.

1913935747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 714420, while the sum is 49.

The square root of 1913935747 is about 43748.5513703025. The cubic root of 1913935747 is about 1241.5830775694.

The spelling of 1913935747 in words is "one billion, nine hundred thirteen million, nine hundred thirty-five thousand, seven hundred forty-seven".