49730821801 has 4 divisors (see below), whose sum is σ = 49761389392. Its totient is φ = 49700254212.

The previous prime is 49730821759. The next prime is 49730821813. The reversal of 49730821801 is 10812803794.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49730821801 - 2¹⁵ = 49730789033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49730821001) 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, 15281355 + ... + 15284608.

It is an arithmetic number, because the mean of its divisors is an integer number (12440347348).

Almost surely, 2^49730821801 is an apocalyptic number.

It is an amenable number.

49730821801 is a deficient number, since it is larger than the sum of its proper divisors (30567591).

49730821801 is a wasteful number, since it uses less digits than its factorization.

49730821801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30567590.

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 49730821801 in words is "forty-nine billion, seven hundred thirty million, eight hundred twenty-one thousand, eight hundred one".