6247620063 has 6 divisors (see below), whose sum is σ = 9024340104. Its totient is φ = 4165080036.

The previous prime is 6247620047. The next prime is 6247620077. The reversal of 6247620063 is 3600267426.

It is a happy number.

6247620063 is a `hidden beast` number, since 6 + 24 + 7 + 620 + 0 + 6 + 3 = 666.

It is not a de Polignac number, because 6247620063 - 2⁴ = 6247620047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6247620013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 347089995 + ... + 347090012.

It is an arithmetic number, because the mean of its divisors is an integer number (1504056684).

Almost surely, 2^6247620063 is an apocalyptic number.

6247620063 is a deficient number, since it is larger than the sum of its proper divisors (2776720041).

6247620063 is a wasteful number, since it uses less digits than its factorization.

6247620063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694180013 (or 694180010 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 6247620063 is about 79041.8880278046. Note that the first 3 decimals coincide. The cubic root of 6247620063 is about 1841.7819126269.

Adding to 6247620063 its reverse (3600267426), we get a palindrome (9847887489).

The spelling of 6247620063 in words is "six billion, two hundred forty-seven million, six hundred twenty thousand, sixty-three".