39821047022 has 4 divisors (see below), whose sum is σ = 59731570536. Its totient is φ = 19910523510.

The previous prime is 39821046971. The next prime is 39821047031. The reversal of 39821047022 is 22074012893.

39821047022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9955261754 + ... + 9955261757.

It is an arithmetic number, because the mean of its divisors is an integer number (14932892634).

Almost surely, 2^39821047022 is an apocalyptic number.

39821047022 is a deficient number, since it is larger than the sum of its proper divisors (19910523514).

39821047022 is a wasteful number, since it uses less digits than its factorization.

39821047022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19910523513.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 39821047022 in words is "thirty-nine billion, eight hundred twenty-one million, forty-seven thousand, twenty-two".