69742017061 has 2 divisors, whose sum is σ = 69742017062. Its totient is φ = 69742017060.

The previous prime is 69742017017. The next prime is 69742017067. The reversal of 69742017061 is 16071024796.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61409796100 + 8332220961 = 247810^2 + 91281^2 .

It is a cyclic number.

It is not a de Polignac number, because 69742017061 - 2⁹ = 69742016549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69742016999 and 69742017017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69742017067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34871008530 + 34871008531.

It is an arithmetic number, because the mean of its divisors is an integer number (34871008531).

Almost surely, 2^69742017061 is an apocalyptic number.

It is an amenable number.

69742017061 is a deficient number, since it is larger than the sum of its proper divisors (1).

69742017061 is an equidigital number, since it uses as much as digits as its factorization.

69742017061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 69742017061 in words is "sixty-nine billion, seven hundred forty-two million, seventeen thousand, sixty-one".