507345626207221 has 16 divisors (see below), whose sum is σ = 520748643225600. Its totient is φ = 494051338891440.

The previous prime is 507345626207143. The next prime is 507345626207291. The reversal of 507345626207221 is 122702626543705.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 507345626207221 - 2¹⁹ = 507345625682933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507345626207291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1574238720 + ... + 1574560966.

It is an arithmetic number, because the mean of its divisors is an integer number (32546790201600).

Almost surely, 2^{507345626207221} is an apocalyptic number.

It is an amenable number.

507345626207221 is a deficient number, since it is larger than the sum of its proper divisors (13403017018379).

507345626207221 is a wasteful number, since it uses less digits than its factorization.

507345626207221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490824.

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 507345626207221 in words is "five hundred seven trillion, three hundred forty-five billion, six hundred twenty-six million, two hundred seven thousand, two hundred twenty-one".