234626890690 has 16 divisors (see below), whose sum is σ = 432629096760. Its totient is φ = 91561713280.

The previous prime is 234626890679. The next prime is 234626890733. The reversal of 234626890690 is 96098626432.

It is a happy number.

234626890690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 484383²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 135868171609 + 98758719081 = 368603^2 + 314259^2 .

It is a super-2 number, since 2×234626890690² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286129945 + ... + 286130764.

Almost surely, 2^234626890690 is an apocalyptic number.

234626890690 is a deficient number, since it is larger than the sum of its proper divisors (198002206070).

234626890690 is a wasteful number, since it uses less digits than its factorization.

234626890690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572260757.

The product of its (nonzero) digits is 6718464, while the sum is 55.

The spelling of 234626890690 in words is "two hundred thirty-four billion, six hundred twenty-six million, eight hundred ninety thousand, six hundred ninety".