48247686509 has 16 divisors (see below), whose sum is σ = 52954755264. Its totient is φ = 43594521600.

The previous prime is 48247686469. The next prime is 48247686521. The reversal of 48247686509 is 90568674284.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48247686509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48247686559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2459279 + ... + 2478819.

It is an arithmetic number, because the mean of its divisors is an integer number (3309672204).

Almost surely, 2^48247686509 is an apocalyptic number.

It is an amenable number.

48247686509 is a deficient number, since it is larger than the sum of its proper divisors (4707068755).

48247686509 is a wasteful number, since it uses less digits than its factorization.

48247686509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20908.

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 48247686509 in words is "forty-eight billion, two hundred forty-seven million, six hundred eighty-six thousand, five hundred nine".