21482148698 has 4 divisors (see below), whose sum is σ = 32223223050. Its totient is φ = 10741074348.

The previous prime is 21482148691. The next prime is 21482148703. The reversal of 21482148698 is 89684128412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16396034209 + 5086114489 = 128047^2 + 71317^2 .

It is a super-2 number, since 2×21482148698² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21482148691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5370537173 + ... + 5370537176.

Almost surely, 2^21482148698 is an apocalyptic number.

21482148698 is a deficient number, since it is larger than the sum of its proper divisors (10741074352).

21482148698 is a wasteful number, since it uses less digits than its factorization.

21482148698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10741074351.

The product of its digits is 1769472, while the sum is 53.

The spelling of 21482148698 in words is "twenty-one billion, four hundred eighty-two million, one hundred forty-eight thousand, six hundred ninety-eight".