9700042739 has 2 divisors, whose sum is σ = 9700042740. Its totient is φ = 9700042738.

The previous prime is 9700042721. The next prime is 9700042753. The reversal of 9700042739 is 9372400079.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9700042739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9700042696 and 9700042705.

It is not a weakly prime, because it can be changed into another prime (9700042939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4850021369 + 4850021370.

It is an arithmetic number, because the mean of its divisors is an integer number (4850021370).

Almost surely, 2^9700042739 is an apocalyptic number.

9700042739 is a deficient number, since it is larger than the sum of its proper divisors (1).

9700042739 is an equidigital number, since it uses as much as digits as its factorization.

9700042739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 9700042739 is about 98488.7949921208. The cubic root of 9700042739 is about 2132.6743677431.

The spelling of 9700042739 in words is "nine billion, seven hundred million, forty-two thousand, seven hundred thirty-nine".