49303256881 has 2 divisors, whose sum is σ = 49303256882. Its totient is φ = 49303256880.

The previous prime is 49303256857. The next prime is 49303256887. The reversal of 49303256881 is 18865230394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43813187856 + 5490069025 = 209316^2 + 74095^2 .

It is a cyclic number.

It is not a de Polignac number, because 49303256881 - 2³¹ = 47155773233 is a prime.

It is a super-2 number, since 2×49303256881² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49303256887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24651628440 + 24651628441.

It is an arithmetic number, because the mean of its divisors is an integer number (24651628441).

Almost surely, 2^49303256881 is an apocalyptic number.

It is an amenable number.

49303256881 is a deficient number, since it is larger than the sum of its proper divisors (1).

49303256881 is an equidigital number, since it uses as much as digits as its factorization.

49303256881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 49303256881 in words is "forty-nine billion, three hundred three million, two hundred fifty-six thousand, eight hundred eighty-one".