42919810743 has 4 divisors (see below), whose sum is σ = 57226414328. Its totient is φ = 28613207160.

The previous prime is 42919810723. The next prime is 42919810757. The reversal of 42919810743 is 34701891924.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42919810743 - 2⁵ = 42919810711 is a prime.

It is a super-2 number, since 2×42919810743² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42919810692 and 42919810701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42919810723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7153301788 + ... + 7153301793.

It is an arithmetic number, because the mean of its divisors is an integer number (14306603582).

Almost surely, 2^42919810743 is an apocalyptic number.

42919810743 is a deficient number, since it is larger than the sum of its proper divisors (14306603585).

42919810743 is a wasteful number, since it uses less digits than its factorization.

42919810743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14306603584.

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 42919810743 in words is "forty-two billion, nine hundred nineteen million, eight hundred ten thousand, seven hundred forty-three".