10231219979 has 4 divisors (see below), whose sum is σ = 10238629920. Its totient is φ = 10223810040.

The previous prime is 10231219969. The next prime is 10231220009. The reversal of 10231219979 is 97991213201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10231219979 - 2⁴ = 10231219963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10231219969) 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, 3702899 + ... + 3705660.

It is an arithmetic number, because the mean of its divisors is an integer number (2559657480).

Almost surely, 2^10231219979 is an apocalyptic number.

10231219979 is a deficient number, since it is larger than the sum of its proper divisors (7409941).

10231219979 is an equidigital number, since it uses as much as digits as its factorization.

10231219979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7409940.

The product of its (nonzero) digits is 61236, while the sum is 44.

The spelling of 10231219979 in words is "ten billion, two hundred thirty-one million, two hundred nineteen thousand, nine hundred seventy-nine".