90202434001 has 4 divisors (see below), whose sum is σ = 91904366772. Its totient is φ = 88500501232.

The previous prime is 90202433947. The next prime is 90202434019. The reversal of 90202434001 is 10043420209.

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

It can be written as a sum of positive squares in 2 ways, for example, as 51053854401 + 39148579600 = 225951^2 + 197860^2 .

It is a cyclic number.

It is not a de Polignac number, because 90202434001 - 2³¹ = 88054950353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90202404001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850966306 + ... + 850966411.

It is an arithmetic number, because the mean of its divisors is an integer number (22976091693).

Almost surely, 2^90202434001 is an apocalyptic number.

It is an amenable number.

90202434001 is a deficient number, since it is larger than the sum of its proper divisors (1701932771).

90202434001 is a wasteful number, since it uses less digits than its factorization.

90202434001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701932770.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 90202434001 in words is "ninety billion, two hundred two million, four hundred thirty-four thousand, one".