83562043042 has 16 divisors (see below), whose sum is σ = 125459916120. Its totient is φ = 41742093312.

The previous prime is 83562043039. The next prime is 83562043043. The reversal of 83562043042 is 24034026538.

It is a Cunningham number, because it is equal to 289071²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 73635706881 + 9926336161 = 271359^2 + 99631^2 .

It is a super-2 number, since 2×83562043042² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83562042992 and 83562043010.

It is not an unprimeable number, because it can be changed into a prime (83562043043) 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, 15844518 + ... + 15849790.

Almost surely, 2^83562043042 is an apocalyptic number.

83562043042 is a deficient number, since it is larger than the sum of its proper divisors (41897873078).

83562043042 is a wasteful number, since it uses less digits than its factorization.

83562043042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11157.

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 83562043042 in words is "eighty-three billion, five hundred sixty-two million, forty-three thousand, forty-two".