6897073429 has 2 divisors, whose sum is σ = 6897073430. Its totient is φ = 6897073428.

The previous prime is 6897073399. The next prime is 6897073441. The reversal of 6897073429 is 9243707986.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4778956900 + 2118116529 = 69130^2 + 46023^2 .

It is a cyclic number.

It is not a de Polignac number, because 6897073429 - 2¹³ = 6897065237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6897073429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6897073489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3448536714 + 3448536715.

It is an arithmetic number, because the mean of its divisors is an integer number (3448536715).

Almost surely, 2^6897073429 is an apocalyptic number.

It is an amenable number.

6897073429 is a deficient number, since it is larger than the sum of its proper divisors (1).

6897073429 is an equidigital number, since it uses as much as digits as its factorization.

6897073429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The square root of 6897073429 is about 83048.6208735582. The cubic root of 6897073429 is about 1903.5090672704.

The spelling of 6897073429 in words is "six billion, eight hundred ninety-seven million, seventy-three thousand, four hundred twenty-nine".