21274653038 has 8 divisors (see below), whose sum is σ = 32079058560. Its totient is φ = 10581633520.

The previous prime is 21274653013. The next prime is 21274653041. The reversal of 21274653038 is 83035647212.

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

It is a super-2 number, since 2×21274653038² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21274652986 and 21274653004.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 27846023 + ... + 27846786.

It is an arithmetic number, because the mean of its divisors is an integer number (4009882320).

Almost surely, 2^21274653038 is an apocalyptic number.

21274653038 is a deficient number, since it is larger than the sum of its proper divisors (10804405522).

21274653038 is a wasteful number, since it uses less digits than its factorization.

21274653038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55693002.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 21274653038 in words is "twenty-one billion, two hundred seventy-four million, six hundred fifty-three thousand, thirty-eight".