21482148699 has 24 divisors (see below), whose sum is σ = 34981649360. Its totient is φ = 13019482080.

The previous prime is 21482148691. The next prime is 21482148703. The reversal of 21482148699 is 99684128412.

It is a happy number.

It is not a de Polignac number, because 21482148699 - 2³ = 21482148691 is a prime.

It is a super-2 number, since 2×21482148699² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21482148691) 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 23 ways as a sum of consecutive naturals, for example, 3284482 + ... + 3291015.

Almost surely, 2^21482148699 is an apocalyptic number.

21482148699 is a deficient number, since it is larger than the sum of its proper divisors (13499500661).

21482148699 is a wasteful number, since it uses less digits than its factorization.

21482148699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6575528 (or 6575511 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The spelling of 21482148699 in words is "twenty-one billion, four hundred eighty-two million, one hundred forty-eight thousand, six hundred ninety-nine".