48977837281 has 2 divisors, whose sum is σ = 48977837282. Its totient is φ = 48977837280.

The previous prime is 48977837263. The next prime is 48977837287. The reversal of 48977837281 is 18273877984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48418041681 + 559795600 = 220041^2 + 23660^2 .

It is a cyclic number.

It is not a de Polignac number, because 48977837281 - 2⁹ = 48977836769 is a prime.

It is a super-2 number, since 2×48977837281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (48977837287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24488918640 + 24488918641.

It is an arithmetic number, because the mean of its divisors is an integer number (24488918641).

Almost surely, 2^48977837281 is an apocalyptic number.

It is an amenable number.

48977837281 is a deficient number, since it is larger than the sum of its proper divisors (1).

48977837281 is an equidigital number, since it uses as much as digits as its factorization.

48977837281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37933056, while the sum is 64.

The spelling of 48977837281 in words is "forty-eight billion, nine hundred seventy-seven million, eight hundred thirty-seven thousand, two hundred eighty-one".