69491361 has 4 divisors (see below), whose sum is σ = 92655152. Its totient is φ = 46327572.

The previous prime is 69491353. The next prime is 69491363. The reversal of 69491361 is 16319496.

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 not a de Polignac number, because 69491361 - 2³ = 69491353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69491363) 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, 11581891 + ... + 11581896.

It is an arithmetic number, because the mean of its divisors is an integer number (23163788).

Almost surely, 2^69491361 is an apocalyptic number.

It is an amenable number.

69491361 is a deficient number, since it is larger than the sum of its proper divisors (23163791).

69491361 is a wasteful number, since it uses less digits than its factorization.

69491361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23163790.

The product of its digits is 34992, while the sum is 39.

The square root of 69491361 is about 8336.1478513760. The cubic root of 69491361 is about 411.1278898246.

The spelling of 69491361 in words is "sixty-nine million, four hundred ninety-one thousand, three hundred sixty-one".