69363544536397 has 4 divisors (see below), whose sum is σ = 73443753038556. Its totient is φ = 65283336034240.

The previous prime is 69363544536389. The next prime is 69363544536547. The reversal of 69363544536397 is 79363544536396.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46595559296836 + 22767985239561 = 6826094^2 + 4771581^2 .

It is a cyclic number.

It is not a de Polignac number, because 69363544536397 - 2³ = 69363544536389 is a prime.

It is a super-2 number, since 2×69363544536397² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69363544536337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2040104251054 + ... + 2040104251087.

It is an arithmetic number, because the mean of its divisors is an integer number (18360938259639).

Almost surely, 2^{69363544536397} is an apocalyptic number.

It is an amenable number.

69363544536397 is a deficient number, since it is larger than the sum of its proper divisors (4080208502159).

69363544536397 is a wasteful number, since it uses less digits than its factorization.

69363544536397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080208502158.

The product of its digits is 3968092800, while the sum is 73.

Subtracting 69363544536397 from its reverse (79363544536396), we obtain a palindrome (9999999999999).

The spelling of 69363544536397 in words is "sixty-nine trillion, three hundred sixty-three billion, five hundred forty-four million, five hundred thirty-six thousand, three hundred ninety-seven".