421350777067 has 6 divisors (see below), whose sum is σ = 463137631124. Its totient is φ = 383046160860.

The previous prime is 421350777049. The next prime is 421350777079. The reversal of 421350777067 is 760777053124.

It is not a de Polignac number, because 421350777067 - 2¹⁵ = 421350744299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 421350777067.

It is not an unprimeable number, because it can be changed into a prime (421350775067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1741118793 + ... + 1741119034.

Almost surely, 2^421350777067 is an apocalyptic number.

421350777067 is a deficient number, since it is larger than the sum of its proper divisors (41786854057).

421350777067 is a wasteful number, since it uses less digits than its factorization.

421350777067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3482237849 (or 3482237838 counting only the distinct ones).

The product of its (nonzero) digits is 1728720, while the sum is 49.

The spelling of 421350777067 in words is "four hundred twenty-one billion, three hundred fifty million, seven hundred seventy-seven thousand, sixty-seven".