5625447993681 has 8 divisors (see below), whose sum is σ = 7501238503200. Its totient is φ = 3749978073312.

The previous prime is 5625447993623. The next prime is 5625447993691. The reversal of 5625447993681 is 1863997445265.

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

It is not a de Polignac number, because 5625447993681 - 2¹³ = 5625447985489 is a prime.

It is a super-2 number, since 2×5625447993681² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5625447993611) 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, 80106340 + ... + 80176533.

It is an arithmetic number, because the mean of its divisors is an integer number (937654812900).

Almost surely, 2^{5625447993681} is an apocalyptic number.

It is an amenable number.

5625447993681 is a deficient number, since it is larger than the sum of its proper divisors (1875790509519).

5625447993681 is a wasteful number, since it uses less digits than its factorization.

5625447993681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160294575.

The product of its digits is 391910400, while the sum is 69.

The spelling of 5625447993681 in words is "five trillion, six hundred twenty-five billion, four hundred forty-seven million, nine hundred ninety-three thousand, six hundred eighty-one".