48586405981 has 4 divisors (see below), whose sum is σ = 48587443264. Its totient is φ = 48585368700.

The previous prime is 48586405979. The next prime is 48586406009. The reversal of 48586405981 is 18950468584.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48586405981 - 2¹ = 48586405979 is a prime.

It is a super-2 number, since 2×48586405981² (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 (48586405781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444885 + ... + 543226.

It is an arithmetic number, because the mean of its divisors is an integer number (12146860816).

Almost surely, 2^48586405981 is an apocalyptic number.

It is an amenable number.

48586405981 is a deficient number, since it is larger than the sum of its proper divisors (1037283).

48586405981 is an equidigital number, since it uses as much as digits as its factorization.

48586405981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037282.

The product of its (nonzero) digits is 11059200, while the sum is 58.

The spelling of 48586405981 in words is "forty-eight billion, five hundred eighty-six million, four hundred five thousand, nine hundred eighty-one".