47373720621 has 16 divisors (see below), whose sum is σ = 64047326784. Its totient is φ = 31141528704.

The previous prime is 47373720577. The next prime is 47373720659. The reversal of 47373720621 is 12602737374.

It is a happy number.

47373720621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47373720621 - 2⁶ = 47373720557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47373020621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 855055 + ... + 908771.

It is an arithmetic number, because the mean of its divisors is an integer number (4002957924).

Almost surely, 2^47373720621 is an apocalyptic number.

It is an amenable number.

47373720621 is a deficient number, since it is larger than the sum of its proper divisors (16673606163).

47373720621 is a wasteful number, since it uses less digits than its factorization.

47373720621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57820.

The product of its (nonzero) digits is 296352, while the sum is 42.

The spelling of 47373720621 in words is "forty-seven billion, three hundred seventy-three million, seven hundred twenty thousand, six hundred twenty-one".