47065439990 has 16 divisors (see below), whose sum is σ = 86106609360. Its totient is φ = 18517549920.

The previous prime is 47065439921. The next prime is 47065440013. The reversal of 47065439990 is 9993456074.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38577620 + ... + 38578839.

It is an arithmetic number, because the mean of its divisors is an integer number (5381663085).

Almost surely, 2^47065439990 is an apocalyptic number.

47065439990 is a deficient number, since it is larger than the sum of its proper divisors (39041169370).

47065439990 is a wasteful number, since it uses less digits than its factorization.

47065439990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77156527.

The product of its (nonzero) digits is 7348320, while the sum is 56.

The spelling of 47065439990 in words is "forty-seven billion, sixty-five million, four hundred thirty-nine thousand, nine hundred ninety".