4723621774421 has 32 divisors (see below), whose sum is σ = 5310556618752. Its totient is φ = 4164274800000.

The previous prime is 4723621774397. The next prime is 4723621774429. The reversal of 4723621774421 is 1244771263274.

It is a cyclic number.

It is not a de Polignac number, because 4723621774421 - 2¹⁸ = 4723621512277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4723621774421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4723621774429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52632416 + ... + 52722086.

It is an arithmetic number, because the mean of its divisors is an integer number (165954894336).

Almost surely, 2^{4723621774421} is an apocalyptic number.

4723621774421 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4723621774421 is a deficient number, since it is larger than the sum of its proper divisors (586934844331).

4723621774421 is a wasteful number, since it uses less digits than its factorization.

4723621774421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90425.

The product of its digits is 3161088, while the sum is 50.

The spelling of 4723621774421 in words is "four trillion, seven hundred twenty-three billion, six hundred twenty-one million, seven hundred seventy-four thousand, four hundred twenty-one".