48045521639 has 2 divisors, whose sum is σ = 48045521640. Its totient is φ = 48045521638.

The previous prime is 48045521581. The next prime is 48045521653. The reversal of 48045521639 is 93612554084.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48045521639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48045521593 and 48045521602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48045521239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24022760819 + 24022760820.

It is an arithmetic number, because the mean of its divisors is an integer number (24022760820).

Almost surely, 2^48045521639 is an apocalyptic number.

48045521639 is a deficient number, since it is larger than the sum of its proper divisors (1).

48045521639 is an equidigital number, since it uses as much as digits as its factorization.

48045521639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 48045521639 in words is "forty-eight billion, forty-five million, five hundred twenty-one thousand, six hundred thirty-nine".