621236486063 has 8 divisors (see below), whose sum is σ = 652864492368. Its totient is φ = 590389418304.

The previous prime is 621236486051. The next prime is 621236486071. The reversal of 621236486063 is 360684632126.

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 621236486063 - 2¹² = 621236481967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 621236485999 and 621236486017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621236486083) 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, 195233006 + ... + 195236187.

It is an arithmetic number, because the mean of its divisors is an integer number (81608061546).

Almost surely, 2^621236486063 is an apocalyptic number.

621236486063 is a deficient number, since it is larger than the sum of its proper divisors (31628006305).

621236486063 is a wasteful number, since it uses less digits than its factorization.

621236486063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390469273.

The product of its (nonzero) digits is 1492992, while the sum is 47.

The spelling of 621236486063 in words is "six hundred twenty-one billion, two hundred thirty-six million, four hundred eighty-six thousand, sixty-three".