71151403393 has 6 divisors (see below), whose sum is σ = 82767959106. Its totient is φ = 60986917152.

The previous prime is 71151403331. The next prime is 71151403579. The reversal of 71151403393 is 39330415117.

It can be written as a sum of positive squares in only one way, i.e., 70938593649 + 212809744 = 266343^2 + 14588^2 .

It is a de Polignac number, because none of the positive numbers 2^k-71151403393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71151403303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 726034680 + ... + 726034777.

It is an arithmetic number, because the mean of its divisors is an integer number (13794659851).

Almost surely, 2^71151403393 is an apocalyptic number.

It is an amenable number.

71151403393 is a deficient number, since it is larger than the sum of its proper divisors (11616555713).

71151403393 is a wasteful number, since it uses less digits than its factorization.

71151403393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452069471 (or 1452069464 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The spelling of 71151403393 in words is "seventy-one billion, one hundred fifty-one million, four hundred three thousand, three hundred ninety-three".