697381269769 has 2 divisors, whose sum is σ = 697381269770. Its totient is φ = 697381269768.

The previous prime is 697381269737. The next prime is 697381269803. The reversal of 697381269769 is 967962183796.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 697286791369 + 94478400 = 835037^2 + 9720^2 .

It is a cyclic number.

It is not a de Polignac number, because 697381269769 - 2⁵ = 697381269737 is a prime.

It is a super-4 number, since 4×697381269769⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (697381269719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348690634884 + 348690634885.

It is an arithmetic number, because the mean of its divisors is an integer number (348690634885).

Almost surely, 2^697381269769 is an apocalyptic number.

It is an amenable number.

697381269769 is a deficient number, since it is larger than the sum of its proper divisors (1).

697381269769 is an equidigital number, since it uses as much as digits as its factorization.

697381269769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 370355328, while the sum is 73.

The spelling of 697381269769 in words is "six hundred ninety-seven billion, three hundred eighty-one million, two hundred sixty-nine thousand, seven hundred sixty-nine".