71497342619 has 2 divisors, whose sum is σ = 71497342620. Its totient is φ = 71497342618.

The previous prime is 71497342583. The next prime is 71497342633. The reversal of 71497342619 is 91624379417.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71497342619 - 2¹⁶ = 71497277083 is a prime.

It is a super-2 number, since 2×71497342619² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71497342649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35748671309 + 35748671310.

It is an arithmetic number, because the mean of its divisors is an integer number (35748671310).

Almost surely, 2^71497342619 is an apocalyptic number.

71497342619 is a deficient number, since it is larger than the sum of its proper divisors (1).

71497342619 is an equidigital number, since it uses as much as digits as its factorization.

71497342619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 53.

The spelling of 71497342619 in words is "seventy-one billion, four hundred ninety-seven million, three hundred forty-two thousand, six hundred nineteen".