10421299560989 has 4 divisors (see below), whose sum is σ = 10430579437056. Its totient is φ = 10412019684924.

The previous prime is 10421299560983. The next prime is 10421299561019. The reversal of 10421299560989 is 98906599212401.

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 a de Polignac number, because none of the positive numbers 2^k-10421299560989 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 (10421299560983) 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, 4639936349 + ... + 4639938594.

It is an arithmetic number, because the mean of its divisors is an integer number (2607644859264).

Almost surely, 2^{10421299560989} is an apocalyptic number.

It is an amenable number.

10421299560989 is a deficient number, since it is larger than the sum of its proper divisors (9279876067).

10421299560989 is an equidigital number, since it uses as much as digits as its factorization.

10421299560989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9279876066.

The product of its (nonzero) digits is 25194240, while the sum is 65.

The spelling of 10421299560989 in words is "ten trillion, four hundred twenty-one billion, two hundred ninety-nine million, five hundred sixty thousand, nine hundred eighty-nine".