47683801491 has 4 divisors (see below), whose sum is σ = 63578401992. Its totient is φ = 31789200992.

The previous prime is 47683801489. The next prime is 47683801567. The reversal of 47683801491 is 19410838674.

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

It is a cyclic number.

It is not a de Polignac number, because 47683801491 - 2¹ = 47683801489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47683801391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7947300246 + ... + 7947300251.

It is an arithmetic number, because the mean of its divisors is an integer number (15894600498).

Almost surely, 2^47683801491 is an apocalyptic number.

47683801491 is a deficient number, since it is larger than the sum of its proper divisors (15894600501).

47683801491 is a wasteful number, since it uses less digits than its factorization.

47683801491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15894600500.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 47683801491 in words is "forty-seven billion, six hundred eighty-three million, eight hundred one thousand, four hundred ninety-one".