10421619 has 16 divisors (see below), whose sum is σ = 15026592. Its totient is φ = 6386688.

The previous prime is 10421617. The next prime is 10421623. The reversal of 10421619 is 91612401.

It is not a de Polignac number, because 10421619 - 2¹ = 10421617 is a prime.

It is a super-2 number, since 2×10421619² = 217220285162322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10421617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13389 + ... + 14145.

It is an arithmetic number, because the mean of its divisors is an integer number (939162).

Almost surely, 2^10421619 is an apocalyptic number.

10421619 is a deficient number, since it is larger than the sum of its proper divisors (4604973).

10421619 is a wasteful number, since it uses less digits than its factorization.

10421619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 10421619 is about 3228.2532428544. The cubic root of 10421619 is about 218.4297207939.

The spelling of 10421619 in words is "ten million, four hundred twenty-one thousand, six hundred nineteen".