69430643 has 4 divisors (see below), whose sum is σ = 69448728. Its totient is φ = 69412560.

The previous prime is 69430637. The next prime is 69430663. The reversal of 69430643 is 34603496.

It is a happy number.

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 69430643 - 2¹² = 69426547 is a prime.

It is a super-2 number, since 2×69430643² = 9641228374786898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69430663) 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, 746 + ... + 11807.

It is an arithmetic number, because the mean of its divisors is an integer number (17362182).

Almost surely, 2^69430643 is an apocalyptic number.

69430643 is a deficient number, since it is larger than the sum of its proper divisors (18085).

69430643 is a wasteful number, since it uses less digits than its factorization.

69430643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18084.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 69430643 is about 8332.5052055189. The cubic root of 69430643 is about 411.0081140865.

The spelling of 69430643 in words is "sixty-nine million, four hundred thirty thousand, six hundred forty-three".