626067680421 has 8 divisors (see below), whose sum is σ = 883860254784. Its totient is φ = 392826779840.

The previous prime is 626067680401. The next prime is 626067680461. The reversal of 626067680421 is 124086760626.

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 626067680421 - 2¹⁹ = 626067156133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626067680401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6137918385 + ... + 6137918486.

It is an arithmetic number, because the mean of its divisors is an integer number (110482531848).

Almost surely, 2^626067680421 is an apocalyptic number.

It is an amenable number.

626067680421 is a deficient number, since it is larger than the sum of its proper divisors (257792574363).

626067680421 is a wasteful number, since it uses less digits than its factorization.

626067680421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12275836891.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 626067680421 in words is "six hundred twenty-six billion, sixty-seven million, six hundred eighty thousand, four hundred twenty-one".