421034705719 has 4 divisors (see below), whose sum is σ = 421369126920. Its totient is φ = 420700284520.

The previous prime is 421034705677. The next prime is 421034705803. The reversal of 421034705719 is 917507430124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 421034705719 - 2⁷ = 421034705591 is a prime.

It is a super-2 number, since 2×421034705719² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421034715719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167208712 + ... + 167211229.

It is an arithmetic number, because the mean of its divisors is an integer number (105342281730).

Almost surely, 2^421034705719 is an apocalyptic number.

421034705719 is a deficient number, since it is larger than the sum of its proper divisors (334421201).

421034705719 is a wasteful number, since it uses less digits than its factorization.

421034705719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334421200.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 421034705719 in words is "four hundred twenty-one billion, thirty-four million, seven hundred five thousand, seven hundred nineteen".