434761997671 has 4 divisors (see below), whose sum is σ = 436151013952. Its totient is φ = 433372981392.

The previous prime is 434761997653. The next prime is 434761997687. The reversal of 434761997671 is 176799167434.

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 434761997671 - 2¹⁹ = 434761473383 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 (434761997651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694507671 + ... + 694508296.

It is an arithmetic number, because the mean of its divisors is an integer number (109037753488).

Almost surely, 2^434761997671 is an apocalyptic number.

434761997671 is a deficient number, since it is larger than the sum of its proper divisors (1389016281).

434761997671 is a wasteful number, since it uses less digits than its factorization.

434761997671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389016280.

The product of its digits is 48009024, while the sum is 64.

The spelling of 434761997671 in words is "four hundred thirty-four billion, seven hundred sixty-one million, nine hundred ninety-seven thousand, six hundred seventy-one".