69457913 has 4 divisors (see below), whose sum is σ = 79380480. Its totient is φ = 59535348.

The previous prime is 69457897. The next prime is 69457957. The reversal of 69457913 is 31975496.

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 69457913 - 2⁴ = 69457897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (69457313) 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, 4961273 + ... + 4961286.

It is an arithmetic number, because the mean of its divisors is an integer number (19845120).

Almost surely, 2^69457913 is an apocalyptic number.

It is an amenable number.

69457913 is a deficient number, since it is larger than the sum of its proper divisors (9922567).

69457913 is an equidigital number, since it uses as much as digits as its factorization.

69457913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9922566.

The product of its digits is 204120, while the sum is 44.

The square root of 69457913 is about 8334.1414074876. The cubic root of 69457913 is about 411.0619170555.

The spelling of 69457913 in words is "sixty-nine million, four hundred fifty-seven thousand, nine hundred thirteen".