21423424701613 has 8 divisors (see below), whose sum is σ = 23754140057376. Its totient is φ = 19156564561200.

The previous prime is 21423424701607. The next prime is 21423424701619. The reversal of 21423424701613 is 31610742432412.

It is an interprime number because it is at equal distance from previous prime (21423424701607) and next prime (21423424701619).

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

It is a de Polignac number, because none of the positive numbers 2^k-21423424701613 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 (21423424701619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15963803131 + ... + 15963804472.

It is an arithmetic number, because the mean of its divisors is an integer number (2969267507172).

Almost surely, 2^{21423424701613} is an apocalyptic number.

It is an amenable number.

21423424701613 is a deficient number, since it is larger than the sum of its proper divisors (2330715355763).

21423424701613 is a wasteful number, since it uses less digits than its factorization.

21423424701613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31927607675.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 21423424701613 in words is "twenty-one trillion, four hundred twenty-three billion, four hundred twenty-four million, seven hundred one thousand, six hundred thirteen".