624220146339987 has 4 divisors (see below), whose sum is σ = 832293528453320. Its totient is φ = 416146764226656.

The previous prime is 624220146339971. The next prime is 624220146339997. The reversal of 624220146339987 is 789933641022426.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 624220146339987 - 2⁴ = 624220146339971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (624220146339917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104036691056662 + ... + 104036691056667.

It is an arithmetic number, because the mean of its divisors is an integer number (208073382113330).

Almost surely, 2^{624220146339987} is an apocalyptic number.

624220146339987 is a deficient number, since it is larger than the sum of its proper divisors (208073382113333).

624220146339987 is a wasteful number, since it uses less digits than its factorization.

624220146339987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208073382113332.

The product of its (nonzero) digits is 188116992, while the sum is 66.

The spelling of 624220146339987 in words is "six hundred twenty-four trillion, two hundred twenty billion, one hundred forty-six million, three hundred thirty-nine thousand, nine hundred eighty-seven".