421732065607 has 2 divisors, whose sum is σ = 421732065608. Its totient is φ = 421732065606.

The previous prime is 421732065497. The next prime is 421732065619. The reversal of 421732065607 is 706560237124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421732065607 - 2¹¹ = 421732063559 is a prime.

It is a super-2 number, since 2×421732065607² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421732065407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210866032803 + 210866032804.

It is an arithmetic number, because the mean of its divisors is an integer number (210866032804).

Almost surely, 2^421732065607 is an apocalyptic number.

421732065607 is a deficient number, since it is larger than the sum of its proper divisors (1).

421732065607 is an equidigital number, since it uses as much as digits as its factorization.

421732065607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 421732065607 in words is "four hundred twenty-one billion, seven hundred thirty-two million, sixty-five thousand, six hundred seven".