48363812491 has 4 divisors (see below), whose sum is σ = 48385434672. Its totient is φ = 48342190312.

The previous prime is 48363812417. The next prime is 48363812501. The reversal of 48363812491 is 19421836384.

It is a happy number.

48363812491 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 cyclic number.

It is not a de Polignac number, because 48363812491 - 2¹³ = 48363804299 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48363812591) 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, 10807735 + ... + 10812208.

It is an arithmetic number, because the mean of its divisors is an integer number (12096358668).

Almost surely, 2^48363812491 is an apocalyptic number.

48363812491 is a deficient number, since it is larger than the sum of its proper divisors (21622181).

48363812491 is a wasteful number, since it uses less digits than its factorization.

48363812491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21622180.

The product of its digits is 995328, while the sum is 49.

The spelling of 48363812491 in words is "forty-eight billion, three hundred sixty-three million, eight hundred twelve thousand, four hundred ninety-one".