430969727681 has 4 divisors (see below), whose sum is σ = 449707541952. Its totient is φ = 412231913412.

The previous prime is 430969727659. The next prime is 430969727687. The reversal of 430969727681 is 186727969034.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-430969727681 is a prime.

It is a super-2 number, since 2×430969727681² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (430969727687) 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, 9368907101 + ... + 9368907146.

It is an arithmetic number, because the mean of its divisors is an integer number (112426885488).

Almost surely, 2^430969727681 is an apocalyptic number.

It is an amenable number.

430969727681 is a deficient number, since it is larger than the sum of its proper divisors (18737814271).

430969727681 is a wasteful number, since it uses less digits than its factorization.

430969727681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18737814270.

The product of its (nonzero) digits is 27433728, while the sum is 62.

The spelling of 430969727681 in words is "four hundred thirty billion, nine hundred sixty-nine million, seven hundred twenty-seven thousand, six hundred eighty-one".