47213429638 has 8 divisors (see below), whose sum is σ = 71337080232. Its totient is φ = 23434402896.

The previous prime is 47213429633. The next prime is 47213429657. The reversal of 47213429638 is 83692431274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×47213429638² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47213429591 and 47213429600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47213429633) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 86155620 + ... + 86156167.

It is an arithmetic number, because the mean of its divisors is an integer number (8917135029).

Almost surely, 2^47213429638 is an apocalyptic number.

47213429638 is a deficient number, since it is larger than the sum of its proper divisors (24123650594).

47213429638 is a wasteful number, since it uses less digits than its factorization.

47213429638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172311926.

The product of its digits is 1741824, while the sum is 49.

The spelling of 47213429638 in words is "forty-seven billion, two hundred thirteen million, four hundred twenty-nine thousand, six hundred thirty-eight".