47352453621 has 16 divisors (see below), whose sum is σ = 68884153920. Its totient is φ = 28695182720.

The previous prime is 47352453607. The next prime is 47352453637. The reversal of 47352453621 is 12635425374.

It is a cyclic number.

It is not a de Polignac number, because 47352453621 - 2²⁷ = 47218235893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47352453661) 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 15 ways as a sum of consecutive naturals, for example, 229465 + ... + 383873.

It is an arithmetic number, because the mean of its divisors is an integer number (4305259620).

Almost surely, 2^47352453621 is an apocalyptic number.

It is an amenable number.

47352453621 is a deficient number, since it is larger than the sum of its proper divisors (21531700299).

47352453621 is a wasteful number, since it uses less digits than its factorization.

47352453621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163716.

The product of its digits is 604800, while the sum is 42.

Adding to 47352453621 its reverse (12635425374), we get a palindrome (59987878995).

The spelling of 47352453621 in words is "forty-seven billion, three hundred fifty-two million, four hundred fifty-three thousand, six hundred twenty-one".