69892013 has 4 divisors (see below), whose sum is σ = 73570560. Its totient is φ = 66213468.

The previous prime is 69891979. The next prime is 69892021. The reversal of 69892013 is 31029896.

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 69892013 - 2¹⁴ = 69875629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69892063) 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, 1839245 + ... + 1839282.

It is an arithmetic number, because the mean of its divisors is an integer number (18392640).

Almost surely, 2^69892013 is an apocalyptic number.

It is an amenable number.

69892013 is a deficient number, since it is larger than the sum of its proper divisors (3678547).

69892013 is a wasteful number, since it uses less digits than its factorization.

69892013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3678546.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 69892013 is about 8360.1443169362. The cubic root of 69892013 is about 411.9164946071.

The spelling of 69892013 in words is "sixty-nine million, eight hundred ninety-two thousand, thirteen".