48433239581 has 32 divisors (see below), whose sum is σ = 52774944768. Its totient is φ = 44282361600.

The previous prime is 48433239541. The next prime is 48433239611. The reversal of 48433239581 is 18593233484.

48433239581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 48433239581 - 2¹⁴ = 48433223197 is a prime.

It is a super-2 number, since 2×48433239581² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48433239521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21944180 + ... + 21946386.

It is an arithmetic number, because the mean of its divisors is an integer number (1649217024).

Almost surely, 2^48433239581 is an apocalyptic number.

It is an amenable number.

48433239581 is a deficient number, since it is larger than the sum of its proper divisors (4341705187).

48433239581 is a wasteful number, since it uses less digits than its factorization.

48433239581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561.

The product of its digits is 2488320, while the sum is 50.

The spelling of 48433239581 in words is "forty-eight billion, four hundred thirty-three million, two hundred thirty-nine thousand, five hundred eighty-one".