48460615921 has 2 divisors, whose sum is σ = 48460615922. Its totient is φ = 48460615920.

The previous prime is 48460615919. The next prime is 48460615961. The reversal of 48460615921 is 12951606484.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37987959025 + 10472656896 = 194905^2 + 102336^2 .

It is a cyclic number.

It is not a de Polignac number, because 48460615921 - 2¹ = 48460615919 is a prime.

Together with 48460615919, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (48460615901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24230307960 + 24230307961.

It is an arithmetic number, because the mean of its divisors is an integer number (24230307961).

Almost surely, 2^48460615921 is an apocalyptic number.

It is an amenable number.

48460615921 is a deficient number, since it is larger than the sum of its proper divisors (1).

48460615921 is an equidigital number, since it uses as much as digits as its factorization.

48460615921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 48460615921 in words is "forty-eight billion, four hundred sixty million, six hundred fifteen thousand, nine hundred twenty-one".