21472266053 has 8 divisors (see below), whose sum is σ = 24718855872. Its totient is φ = 18270457056.

The previous prime is 21472266029. The next prime is 21472266077. The reversal of 21472266053 is 35066227412.

It is an interprime number because it is at equal distance from previous prime (21472266029) and next prime (21472266077).

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 21472266053 - 2¹² = 21472261957 is a prime.

It is a super-2 number, since 2×21472266053² (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 = 21472265998 and 21472266016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21472266253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11194175 + ... + 11196092.

It is an arithmetic number, because the mean of its divisors is an integer number (3089856984).

Almost surely, 2^21472266053 is an apocalyptic number.

It is an amenable number.

21472266053 is a deficient number, since it is larger than the sum of its proper divisors (3246589819).

21472266053 is a wasteful number, since it uses less digits than its factorization.

21472266053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22390411.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 21472266053 in words is "twenty-one billion, four hundred seventy-two million, two hundred sixty-six thousand, fifty-three".