47236493394 has 48 divisors (see below), whose sum is σ = 103030503264. Its totient is φ = 15640257600.

The previous prime is 47236493387. The next prime is 47236493401. The reversal of 47236493394 is 49339463274.

It is a happy number.

47236493394 is a `hidden beast` number, since 47 + 23 + 6 + 493 + 3 + 94 = 666.

It is an interprime number because it is at equal distance from previous prime (47236493387) and next prime (47236493401).

It is a super-2 number, since 2×47236493394² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47236493394.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7422774 + ... + 7429134.

It is an arithmetic number, because the mean of its divisors is an integer number (2146468818).

Almost surely, 2^47236493394 is an apocalyptic number.

47236493394 is an abundant number, since it is smaller than the sum of its proper divisors (55794009870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47236493394 is a wasteful number, since it uses less digits than its factorization.

47236493394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9063 (or 9060 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 54.

The spelling of 47236493394 in words is "forty-seven billion, two hundred thirty-six million, four hundred ninety-three thousand, three hundred ninety-four".