69345248690 has 8 divisors (see below), whose sum is σ = 124821447660. Its totient is φ = 27738099472.

The previous prime is 69345248683. The next prime is 69345248711. The reversal of 69345248690 is 9684254396.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 69256869889 + 88378801 = 263167^2 + 9401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×69345248690² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3467262425 + ... + 3467262444.

Almost surely, 2^69345248690 is an apocalyptic number.

69345248690 is a deficient number, since it is larger than the sum of its proper divisors (55476198970).

69345248690 is a wasteful number, since it uses less digits than its factorization.

69345248690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6934524876.

The product of its (nonzero) digits is 11197440, while the sum is 56.

The spelling of 69345248690 in words is "sixty-nine billion, three hundred forty-five million, two hundred forty-eight thousand, six hundred ninety".