69649141 has 4 divisors (see below), whose sum is σ = 69940800. Its totient is φ = 69357484.

The previous prime is 69649127. The next prime is 69649183. The reversal of 69649141 is 14194696.

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 not a de Polignac number, because 69649141 - 2⁵ = 69649109 is a prime.

It is a super-3 number, since 3×69649141³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69649094 and 69649103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69629141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145471 + ... + 145948.

It is an arithmetic number, because the mean of its divisors is an integer number (17485200).

Almost surely, 2^69649141 is an apocalyptic number.

It is an amenable number.

69649141 is a deficient number, since it is larger than the sum of its proper divisors (291659).

69649141 is a wasteful number, since it uses less digits than its factorization.

69649141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291658.

The product of its digits is 46656, while the sum is 40.

The square root of 69649141 is about 8345.6060894341. The cubic root of 69649141 is about 411.4388096537.

The spelling of 69649141 in words is "sixty-nine million, six hundred forty-nine thousand, one hundred forty-one".