15473205474421 has 8 divisors (see below), whose sum is σ = 15551095476800. Its totient is φ = 15395316824448.

The previous prime is 15473205474401. The next prime is 15473205474473. The reversal of 15473205474421 is 12447450237451.

15473205474421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15473205474421 - 2¹⁵ = 15473205441653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15473205474401) 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, 28983910 + ... + 29512936.

It is an arithmetic number, because the mean of its divisors is an integer number (1943886934600).

Almost surely, 2^{15473205474421} is an apocalyptic number.

It is an amenable number.

15473205474421 is a deficient number, since it is larger than the sum of its proper divisors (77890002379).

15473205474421 is a wasteful number, since it uses less digits than its factorization.

15473205474421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676203.

The product of its (nonzero) digits is 3763200, while the sum is 49.

The spelling of 15473205474421 in words is "fifteen trillion, four hundred seventy-three billion, two hundred five million, four hundred seventy-four thousand, four hundred twenty-one".