48021597709 has 4 divisors (see below), whose sum is σ = 50549050240. Its totient is φ = 45494145180.

The previous prime is 48021597697. The next prime is 48021597713. The reversal of 48021597709 is 90779512084.

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 a de Polignac number, because none of the positive numbers 2^k-48021597709 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 (48021597779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1263726237 + ... + 1263726274.

It is an arithmetic number, because the mean of its divisors is an integer number (12637262560).

Almost surely, 2^48021597709 is an apocalyptic number.

It is an amenable number.

48021597709 is a deficient number, since it is larger than the sum of its proper divisors (2527452531).

48021597709 is a wasteful number, since it uses less digits than its factorization.

48021597709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527452530.

The product of its (nonzero) digits is 1270080, while the sum is 52.

The spelling of 48021597709 in words is "forty-eight billion, twenty-one million, five hundred ninety-seven thousand, seven hundred nine".