49350671281 has 2 divisors, whose sum is σ = 49350671282. Its totient is φ = 49350671280.

The previous prime is 49350671263. The next prime is 49350671311. The reversal of 49350671281 is 18217605394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40868261281 + 8482410000 = 202159^2 + 92100^2 .

It is a cyclic number.

It is not a de Polignac number, because 49350671281 - 2²⁷ = 49216453553 is a prime.

It is a super-2 number, since 2×49350671281² (a number of 22 digits) contains 22 as substring.

It is a weakly prime.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24675335640 + 24675335641.

It is an arithmetic number, because the mean of its divisors is an integer number (24675335641).

It is a 2-persistent number, because it is pandigital, and so is 2⋅49350671281 = 98701342562, but 3⋅49350671281 = 148052013843 is not.

Almost surely, 2^49350671281 is an apocalyptic number.

It is an amenable number.

49350671281 is a deficient number, since it is larger than the sum of its proper divisors (1).

49350671281 is an equidigital number, since it uses as much as digits as its factorization.

49350671281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 49350671281 in words is "forty-nine billion, three hundred fifty million, six hundred seventy-one thousand, two hundred eighty-one".