10394051421 has 8 divisors (see below), whose sum is σ = 14924791840. Its totient is φ = 6396339312.

The previous prime is 10394051419. The next prime is 10394051429. The reversal of 10394051421 is 12415049301.

10394051421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10394051421 - 2¹ = 10394051419 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 (10394051429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133257031 + ... + 133257108.

It is an arithmetic number, because the mean of its divisors is an integer number (1865598980).

Almost surely, 2^10394051421 is an apocalyptic number.

It is an amenable number.

10394051421 is a deficient number, since it is larger than the sum of its proper divisors (4530740419).

10394051421 is a wasteful number, since it uses less digits than its factorization.

10394051421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266514155.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 10394051421 in words is "ten billion, three hundred ninety-four million, fifty-one thousand, four hundred twenty-one".