10021868783 has 4 divisors (see below), whose sum is σ = 10022107680. Its totient is φ = 10021629888.

The previous prime is 10021868767. The next prime is 10021868809. The reversal of 10021868783 is 38786812001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38786812001 = 7 ⋅5540973143.

It is a cyclic number.

It is not a de Polignac number, because 10021868783 - 2⁴ = 10021868767 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 (10021868083) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 38018 + ... + 146591.

It is an arithmetic number, because the mean of its divisors is an integer number (2505526920).

Almost surely, 2^10021868783 is an apocalyptic number.

10021868783 is a deficient number, since it is larger than the sum of its proper divisors (238897).

10021868783 is an equidigital number, since it uses as much as digits as its factorization.

10021868783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238896.

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 10021868783 in words is "ten billion, twenty-one million, eight hundred sixty-eight thousand, seven hundred eighty-three".