48311409493 has 4 divisors (see below), whose sum is σ = 49434930688. Its totient is φ = 47187888300.

The previous prime is 48311409479. The next prime is 48311409529. The reversal of 48311409493 is 39490411384.

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-48311409493 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 (48311409893) 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, 561760533 + ... + 561760618.

It is an arithmetic number, because the mean of its divisors is an integer number (12358732672).

Almost surely, 2^48311409493 is an apocalyptic number.

48311409493 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

48311409493 is a deficient number, since it is larger than the sum of its proper divisors (1123521195).

48311409493 is a wasteful number, since it uses less digits than its factorization.

48311409493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123521194.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 48311409493 in words is "forty-eight billion, three hundred eleven million, four hundred nine thousand, four hundred ninety-three".