47450629681 has 8 divisors (see below), whose sum is σ = 58400775104. Its totient is φ = 37543355280.

The previous prime is 47450629679. The next prime is 47450629691. The reversal of 47450629681 is 18692605474.

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

It is a cyclic number.

It is not a de Polignac number, because 47450629681 - 2¹ = 47450629679 is a prime.

It is a super-2 number, since 2×47450629681² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47450629631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260717655 + ... + 260717836.

It is an arithmetic number, because the mean of its divisors is an integer number (7300096888).

Almost surely, 2^47450629681 is an apocalyptic number.

It is an amenable number.

47450629681 is a deficient number, since it is larger than the sum of its proper divisors (10950145423).

47450629681 is a wasteful number, since it uses less digits than its factorization.

47450629681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521435511.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 47450629681 in words is "forty-seven billion, four hundred fifty million, six hundred twenty-nine thousand, six hundred eighty-one".