624220146339997 has 2 divisors, whose sum is σ = 624220146339998. Its totient is φ = 624220146339996.

The previous prime is 624220146339971. The next prime is 624220146340019. The reversal of 624220146339997 is 799933641022426.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 564447363126201 + 59772783213796 = 23758101^2 + 7731286^2 .

It is a cyclic number.

It is not a de Polignac number, because 624220146339997 - 2¹⁹ = 624220145815709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (624220146339917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312110073169998 + 312110073169999.

It is an arithmetic number, because the mean of its divisors is an integer number (312110073169999).

Almost surely, 2^{624220146339997} is an apocalyptic number.

It is an amenable number.

624220146339997 is a deficient number, since it is larger than the sum of its proper divisors (1).

624220146339997 is an equidigital number, since it uses as much as digits as its factorization.

624220146339997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211631616, while the sum is 67.

The spelling of 624220146339997 in words is "six hundred twenty-four trillion, two hundred twenty billion, one hundred forty-six million, three hundred thirty-nine thousand, nine hundred ninety-seven".