90429194240005 has 8 divisors (see below), whose sum is σ = 108597179222424. Its totient is φ = 72288591302400.

The previous prime is 90429194239957. The next prime is 90429194240051. The reversal of 90429194240005 is 50004249192409.

It can be written as a sum of positive squares in 4 ways, for example, as 47096280704929 + 43332913535076 = 6862673^2 + 6582774^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90429194240005 - 2²⁷ = 90429060022277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6845503936 + ... + 6845517145.

It is an arithmetic number, because the mean of its divisors is an integer number (13574647402803).

Almost surely, 2^{90429194240005} is an apocalyptic number.

It is an amenable number.

90429194240005 is a deficient number, since it is larger than the sum of its proper divisors (18167984982419).

90429194240005 is a wasteful number, since it uses less digits than its factorization.

90429194240005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13691022407.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 90429194240005 in words is "ninety trillion, four hundred twenty-nine billion, one hundred ninety-four million, two hundred forty thousand, five".