47395649385 has 48 divisors (see below), whose sum is σ = 94062408960. Its totient is φ = 21626455680.

The previous prime is 47395649381. The next prime is 47395649393. The reversal of 47395649385 is 58394659374.

47395649385 is a `hidden beast` number, since 4 + 7 + 39 + 564 + 9 + 38 + 5 = 666.

It is not a de Polignac number, because 47395649385 - 2² = 47395649381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (47395649381) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31356 + ... + 309474.

It is an arithmetic number, because the mean of its divisors is an integer number (1959633520).

Almost surely, 2^47395649385 is an apocalyptic number.

47395649385 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47395649385 is a deficient number, since it is larger than the sum of its proper divisors (46666759575).

47395649385 is a wasteful number, since it uses less digits than its factorization.

47395649385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278678 (or 278675 counting only the distinct ones).

The product of its digits is 97977600, while the sum is 63.

The spelling of 47395649385 in words is "forty-seven billion, three hundred ninety-five million, six hundred forty-nine thousand, three hundred eighty-five".