1913965047433 has 8 divisors (see below), whose sum is σ = 1942861501152. Its totient is φ = 1885078294176.

The previous prime is 1913965047383. The next prime is 1913965047457. The reversal of 1913965047433 is 3347405693191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1913965047433 - 2³⁷ = 1776526093961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1913965041433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2027035 + ... + 2817232.

It is an arithmetic number, because the mean of its divisors is an integer number (242857687644).

Almost surely, 2^{1913965047433} is an apocalyptic number.

It is an amenable number.

1913965047433 is a deficient number, since it is larger than the sum of its proper divisors (28896453719).

1913965047433 is an equidigital number, since it uses as much as digits as its factorization.

1913965047433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4850231.

The product of its (nonzero) digits is 7348320, while the sum is 55.

The spelling of 1913965047433 in words is "one trillion, nine hundred thirteen billion, nine hundred sixty-five million, forty-seven thousand, four hundred thirty-three".