10434375989 has 4 divisors (see below), whose sum is σ = 10437582924. Its totient is φ = 10431169056.

The previous prime is 10434375979. The next prime is 10434375997. The reversal of 10434375989 is 98957343401.

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 4962075364 + 5472300625 = 70442^2 + 73975^2 .

It is a cyclic number.

It is not a de Polignac number, because 10434375989 - 2⁸ = 10434375733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10434375989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10434375979) 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, 1598582 + ... + 1605095.

It is an arithmetic number, because the mean of its divisors is an integer number (2609395731).

Almost surely, 2^10434375989 is an apocalyptic number.

It is an amenable number.

10434375989 is a deficient number, since it is larger than the sum of its proper divisors (3206935).

10434375989 is an equidigital number, since it uses as much as digits as its factorization.

10434375989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206934.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 10434375989 in words is "ten billion, four hundred thirty-four million, three hundred seventy-five thousand, nine hundred eighty-nine".