42541950043 has 2 divisors, whose sum is σ = 42541950044. Its totient is φ = 42541950042.

The previous prime is 42541950029. The next prime is 42541950053. The reversal of 42541950043 is 34005914524.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42541950043 is a prime.

It is a super-2 number, since 2×42541950043² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42541949984 and 42541950011.

It is not a weakly prime, because it can be changed into another prime (42541950053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21270975021 + 21270975022.

It is an arithmetic number, because the mean of its divisors is an integer number (21270975022).

Almost surely, 2^42541950043 is an apocalyptic number.

42541950043 is a deficient number, since it is larger than the sum of its proper divisors (1).

42541950043 is an equidigital number, since it uses as much as digits as its factorization.

42541950043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 42541950043 in words is "forty-two billion, five hundred forty-one million, nine hundred fifty thousand, forty-three".