49847453893 has 2 divisors, whose sum is σ = 49847453894. Its totient is φ = 49847453892.

The previous prime is 49847453881. The next prime is 49847453911. The reversal of 49847453893 is 39835474894.

49847453893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34977602529 + 14869851364 = 187023^2 + 121942^2 .

It is a cyclic number.

It is not a de Polignac number, because 49847453893 - 2⁵ = 49847453861 is a prime.

It is a super-2 number, since 2×49847453893² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49847453813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24923726946 + 24923726947.

It is an arithmetic number, because the mean of its divisors is an integer number (24923726947).

Almost surely, 2^49847453893 is an apocalyptic number.

It is an amenable number.

49847453893 is a deficient number, since it is larger than the sum of its proper divisors (1).

49847453893 is an equidigital number, since it uses as much as digits as its factorization.

49847453893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104509440, while the sum is 64.

The spelling of 49847453893 in words is "forty-nine billion, eight hundred forty-seven million, four hundred fifty-three thousand, eight hundred ninety-three".