700090189 has 4 divisors (see below), whose sum is σ = 724231260. Its totient is φ = 675949120.

The previous prime is 700090187. The next prime is 700090199. The reversal of 700090189 is 981090007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 981090007 = 2521 ⋅389167.

It can be written as a sum of positive squares in 2 ways, for example, as 539865225 + 160224964 = 23235^2 + 12658^2 .

It is a cyclic number.

It is not a de Polignac number, because 700090189 - 2¹ = 700090187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (700090187) 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, 12070492 + ... + 12070549.

It is an arithmetic number, because the mean of its divisors is an integer number (181057815).

Almost surely, 2^700090189 is an apocalyptic number.

It is an amenable number.

700090189 is a deficient number, since it is larger than the sum of its proper divisors (24141071).

700090189 is a wasteful number, since it uses less digits than its factorization.

700090189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24141070.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 700090189 is about 26459.2174676425. The cubic root of 700090189 is about 887.9421330450.

The spelling of 700090189 in words is "seven hundred million, ninety thousand, one hundred eighty-nine".