89510729142122 has 4 divisors (see below), whose sum is σ = 134266093713186. Its totient is φ = 44755364571060.

The previous prime is 89510729142119. The next prime is 89510729142193. The reversal of 89510729142122 is 22124192701598.

It is a Cunningham number, because it is equal to 9461011²+1.

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

It can be written as a sum of positive squares in only one way, i.e., 89510729142121 + 1 = 9461011^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22377682285529 + ... + 22377682285532.

Almost surely, 2^{89510729142122} is an apocalyptic number.

89510729142122 is a deficient number, since it is larger than the sum of its proper divisors (44755364571064).

89510729142122 is a wasteful number, since it uses less digits than its factorization.

89510729142122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44755364571063.

The product of its (nonzero) digits is 1451520, while the sum is 53.

The spelling of 89510729142122 in words is "eighty-nine trillion, five hundred ten billion, seven hundred twenty-nine million, one hundred forty-two thousand, one hundred twenty-two".