21553473348074 has 8 divisors (see below), whose sum is σ = 32335221700128. Its totient is φ = 10775066114700.

The previous prime is 21553473348067. The next prime is 21553473348167. The reversal of 21553473348074 is 47084337435512.

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

It is a super-2 number, since 2×21553473348074² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835263542 + ... + 835289345.

It is an arithmetic number, because the mean of its divisors is an integer number (4041902712516).

Almost surely, 2^{21553473348074} is an apocalyptic number.

21553473348074 is a deficient number, since it is larger than the sum of its proper divisors (10781748352054).

21553473348074 is a wasteful number, since it uses less digits than its factorization.

21553473348074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670559340.

The product of its (nonzero) digits is 33868800, while the sum is 56.

The spelling of 21553473348074 in words is "twenty-one trillion, five hundred fifty-three billion, four hundred seventy-three million, three hundred forty-eight thousand, seventy-four".