69742017997 has 2 divisors, whose sum is σ = 69742017998. Its totient is φ = 69742017996.

The previous prime is 69742017889. The next prime is 69742018063. The reversal of 69742017997 is 79971024796.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50169728196 + 19572289801 = 223986^2 + 139901^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69742017997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69742017197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34871008998 + 34871008999.

It is an arithmetic number, because the mean of its divisors is an integer number (34871008999).

Almost surely, 2^69742017997 is an apocalyptic number.

It is an amenable number.

69742017997 is a deficient number, since it is larger than the sum of its proper divisors (1).

69742017997 is an equidigital number, since it uses as much as digits as its factorization.

69742017997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12002256, while the sum is 61.

The spelling of 69742017997 in words is "sixty-nine billion, seven hundred forty-two million, seventeen thousand, nine hundred ninety-seven".