48919436849 has 2 divisors, whose sum is σ = 48919436850. Its totient is φ = 48919436848.

The previous prime is 48919436821. The next prime is 48919436869. The reversal of 48919436849 is 94863491984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35243303824 + 13676133025 = 187732^2 + 116945^2 .

It is a cyclic number.

It is not a de Polignac number, because 48919436849 - 2²⁴ = 48902659633 is a prime.

It is a super-2 number, since 2×48919436849² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (48919436869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24459718424 + 24459718425.

It is an arithmetic number, because the mean of its divisors is an integer number (24459718425).

Almost surely, 2^48919436849 is an apocalyptic number.

It is an amenable number.

48919436849 is a deficient number, since it is larger than the sum of its proper divisors (1).

48919436849 is an equidigital number, since it uses as much as digits as its factorization.

48919436849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53747712, while the sum is 65.

The spelling of 48919436849 in words is "forty-eight billion, nine hundred nineteen million, four hundred thirty-six thousand, eight hundred forty-nine".