10093776421 has 4 divisors (see below), whose sum is σ = 10419382144. Its totient is φ = 9768170700.

The previous prime is 10093776409. The next prime is 10093776443. The reversal of 10093776421 is 12467739001.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12467739001 = 811 ⋅15373291.

It is a cyclic number.

It is not a de Polignac number, because 10093776421 - 2⁷ = 10093776293 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 (10093776521) 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, 162802815 + ... + 162802876.

It is an arithmetic number, because the mean of its divisors is an integer number (2604845536).

Almost surely, 2^10093776421 is an apocalyptic number.

It is an amenable number.

10093776421 is a deficient number, since it is larger than the sum of its proper divisors (325605723).

10093776421 is an equidigital number, since it uses as much as digits as its factorization.

10093776421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325605722.

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 10093776421 in words is "ten billion, ninety-three million, seven hundred seventy-six thousand, four hundred twenty-one".