69409141 has 4 divisors (see below), whose sum is σ = 69455500. Its totient is φ = 69362784.

The previous prime is 69409139. The next prime is 69409189. The reversal of 69409141 is 14190496.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36300625 + 33108516 = 6025^2 + 5754^2 .

It is a cyclic number.

It is not a de Polignac number, because 69409141 - 2¹ = 69409139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69409097 and 69409106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69409111) 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, 20856 + ... + 23953.

It is an arithmetic number, because the mean of its divisors is an integer number (17363875).

Almost surely, 2^69409141 is an apocalyptic number.

It is an amenable number.

69409141 is a deficient number, since it is larger than the sum of its proper divisors (46359).

69409141 is a wasteful number, since it uses less digits than its factorization.

69409141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46358.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 69409141 is about 8331.2148573902. The cubic root of 69409141 is about 410.9656812906.

The spelling of 69409141 in words is "sixty-nine million, four hundred nine thousand, one hundred forty-one".