71404895019779 has 2 divisors, whose sum is σ = 71404895019780. Its totient is φ = 71404895019778.

The previous prime is 71404895019701. The next prime is 71404895019803. The reversal of 71404895019779 is 97791059840417.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71404895019779 is a prime.

It is not a weakly prime, because it can be changed into another prime (71404895069779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35702447509889 + 35702447509890.

It is an arithmetic number, because the mean of its divisors is an integer number (35702447509890).

Almost surely, 2^{71404895019779} is an apocalyptic number.

71404895019779 is a deficient number, since it is larger than the sum of its proper divisors (1).

71404895019779 is an equidigital number, since it uses as much as digits as its factorization.

71404895019779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160030080, while the sum is 71.

The spelling of 71404895019779 in words is "seventy-one trillion, four hundred four billion, eight hundred ninety-five million, nineteen thousand, seven hundred seventy-nine".