49730730209281 has 16 divisors (see below), whose sum is σ = 54323794611648. Its totient is φ = 45149684747200.

The previous prime is 49730730209207. The next prime is 49730730209287. The reversal of 49730730209281 is 18290203703794.

It is a happy number.

It is not a de Polignac number, because 49730730209281 - 2²⁷ = 49730595991553 is a prime.

It is a super-2 number, since 2×49730730209281² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49730730209287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290810655 + ... + 290981611.

It is an arithmetic number, because the mean of its divisors is an integer number (3395237163228).

Almost surely, 2^{49730730209281} is an apocalyptic number.

It is an amenable number.

49730730209281 is a deficient number, since it is larger than the sum of its proper divisors (4593064402367).

49730730209281 is a wasteful number, since it uses less digits than its factorization.

49730730209281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205952.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 49730730209281 in words is "forty-nine trillion, seven hundred thirty billion, seven hundred thirty million, two hundred nine thousand, two hundred eighty-one".