42351545243 has 16 divisors (see below), whose sum is σ = 50990880000. Its totient is φ = 34362613152.

The previous prime is 42351545237. The next prime is 42351545267. The reversal of 42351545243 is 34254515324.

It is not a de Polignac number, because 42351545243 - 2⁶ = 42351545179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42351545197 and 42351545206.

It is not an unprimeable number, because it can be changed into a prime (42351845243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33908 + ... + 293006.

It is an arithmetic number, because the mean of its divisors is an integer number (3186930000).

Almost surely, 2^42351545243 is an apocalyptic number.

42351545243 is a deficient number, since it is larger than the sum of its proper divisors (8639334757).

42351545243 is a wasteful number, since it uses less digits than its factorization.

42351545243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260354.

The product of its digits is 288000, while the sum is 38.

The spelling of 42351545243 in words is "forty-two billion, three hundred fifty-one million, five hundred forty-five thousand, two hundred forty-three".