70948438739 has 2 divisors, whose sum is σ = 70948438740. Its totient is φ = 70948438738.

The previous prime is 70948438709. The next prime is 70948438777. The reversal of 70948438739 is 93783484907.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70948438739 is a prime.

It is not a weakly prime, because it can be changed into another prime (70948438709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35474219369 + 35474219370.

It is an arithmetic number, because the mean of its divisors is an integer number (35474219370).

Almost surely, 2^70948438739 is an apocalyptic number.

70948438739 is a deficient number, since it is larger than the sum of its proper divisors (1).

70948438739 is an equidigital number, since it uses as much as digits as its factorization.

70948438739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36578304, while the sum is 62.

The spelling of 70948438739 in words is "seventy billion, nine hundred forty-eight million, four hundred thirty-eight thousand, seven hundred thirty-nine".