47638296291 has 32 divisors (see below), whose sum is σ = 68134929408. Its totient is φ = 29499952640.

The previous prime is 47638296289. The next prime is 47638296341. The reversal of 47638296291 is 19269283674.

It is a cyclic number.

It is not a de Polignac number, because 47638296291 - 2¹ = 47638296289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47638296221) 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, 4485910 + ... + 4496516.

It is an arithmetic number, because the mean of its divisors is an integer number (2129216544).

Almost surely, 2^47638296291 is an apocalyptic number.

47638296291 is a deficient number, since it is larger than the sum of its proper divisors (20496633117).

47638296291 is a wasteful number, since it uses less digits than its factorization.

47638296291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11771.

The product of its digits is 7838208, while the sum is 57.

The spelling of 47638296291 in words is "forty-seven billion, six hundred thirty-eight million, two hundred ninety-six thousand, two hundred ninety-one".