34890989813 has 4 divisors (see below), whose sum is σ = 34891473120. Its totient is φ = 34890506508.

The previous prime is 34890989807. The next prime is 34890989851. The reversal of 34890989813 is 31898909843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34890989813 - 2⁸ = 34890989557 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 (34890989803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109145 + ... + 285822.

It is an arithmetic number, because the mean of its divisors is an integer number (8722868280).

Almost surely, 2^34890989813 is an apocalyptic number.

It is an amenable number.

34890989813 is a deficient number, since it is larger than the sum of its proper divisors (483307).

34890989813 is an equidigital number, since it uses as much as digits as its factorization.

34890989813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483306.

The product of its (nonzero) digits is 13436928, while the sum is 62.

The spelling of 34890989813 in words is "thirty-four billion, eight hundred ninety million, nine hundred eighty-nine thousand, eight hundred thirteen".