21010232419 has 8 divisors (see below), whose sum is σ = 23234230512. Its totient is φ = 18838563840.

The previous prime is 21010232401. The next prime is 21010232437. The reversal of 21010232419 is 91423201012.

It is an interprime number because it is at equal distance from previous prime (21010232401) and next prime (21010232437).

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

It is a cyclic number.

It is not a de Polignac number, because 21010232419 - 2¹³ = 21010224227 is a prime.

It is a super-2 number, since 2×21010232419² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21010232393 and 21010232402.

It is not an unprimeable number, because it can be changed into a prime (21010232479) 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, 13081534 + ... + 13083139.

It is an arithmetic number, because the mean of its divisors is an integer number (2904278814).

Almost surely, 2^21010232419 is an apocalyptic number.

21010232419 is a deficient number, since it is larger than the sum of its proper divisors (2223998093).

21010232419 is a wasteful number, since it uses less digits than its factorization.

21010232419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26164757.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 21010232419 in words is "twenty-one billion, ten million, two hundred thirty-two thousand, four hundred nineteen".