69042413 has 4 divisors (see below), whose sum is σ = 75319008. Its totient is φ = 62765820.

The previous prime is 69042367. The next prime is 69042427. The reversal of 69042413 is 31424096.

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 69042413 - 2⁶ = 69042349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69042433) 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, 3138281 + ... + 3138302.

It is an arithmetic number, because the mean of its divisors is an integer number (18829752).

Almost surely, 2^69042413 is an apocalyptic number.

It is an amenable number.

69042413 is a deficient number, since it is larger than the sum of its proper divisors (6276595).

69042413 is a wasteful number, since it uses less digits than its factorization.

69042413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6276594.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 69042413 is about 8309.1764333176. The cubic root of 69042413 is about 410.2406142672.

The spelling of 69042413 in words is "sixty-nine million, forty-two thousand, four hundred thirteen".