48048202781 has 4 divisors (see below), whose sum is σ = 48049033500. Its totient is φ = 48047372064.

The previous prime is 48048202759. The next prime is 48048202793. The reversal of 48048202781 is 18720284084.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43027204900 + 5020997881 = 207430^2 + 70859^2 .

It is a cyclic number.

It is not a de Polignac number, because 48048202781 - 2⁶ = 48048202717 is a prime.

It is a super-2 number, since 2×48048202781² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48048201781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321536 + ... + 446633.

It is an arithmetic number, because the mean of its divisors is an integer number (12012258375).

Almost surely, 2^48048202781 is an apocalyptic number.

It is an amenable number.

48048202781 is a deficient number, since it is larger than the sum of its proper divisors (830719).

48048202781 is an equidigital number, since it uses as much as digits as its factorization.

48048202781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830718.

The product of its (nonzero) digits is 229376, while the sum is 44.

The spelling of 48048202781 in words is "forty-eight billion, forty-eight million, two hundred two thousand, seven hundred eighty-one".