43722048378021 has 8 divisors (see below), whose sum is σ = 62780377158240. Its totient is φ = 26905875924912.

The previous prime is 43722048377941. The next prime is 43722048378139. The reversal of 43722048378021 is 12087384022734.

43722048378021 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 not a de Polignac number, because 43722048378021 - 2²³ = 43722039989413 is a prime.

It is a super-3 number, since 3×43722048378021³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43722043378021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560539081731 + ... + 560539081808.

It is an arithmetic number, because the mean of its divisors is an integer number (7847547144780).

Almost surely, 2^{43722048378021} is an apocalyptic number.

It is an amenable number.

43722048378021 is a deficient number, since it is larger than the sum of its proper divisors (19058328780219).

43722048378021 is a wasteful number, since it uses less digits than its factorization.

43722048378021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121078163555.

The product of its (nonzero) digits is 3612672, while the sum is 51.

The spelling of 43722048378021 in words is "forty-three trillion, seven hundred twenty-two billion, forty-eight million, three hundred seventy-eight thousand, twenty-one".