71450949347 has 4 divisors (see below), whose sum is σ = 71451494136. Its totient is φ = 71450404560.

The previous prime is 71450949341. The next prime is 71450949359. The reversal of 71450949347 is 74394905417.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 74394905417 = 7 ⋅10627843631.

It is a cyclic number.

It is not a de Polignac number, because 71450949347 - 2¹⁴ = 71450932963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71450949341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57572 + ... + 382382.

It is an arithmetic number, because the mean of its divisors is an integer number (17862873534).

Almost surely, 2^71450949347 is an apocalyptic number.

71450949347 is a deficient number, since it is larger than the sum of its proper divisors (544789).

71450949347 is a wasteful number, since it uses less digits than its factorization.

71450949347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544788.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 71450949347 in words is "seventy-one billion, four hundred fifty million, nine hundred forty-nine thousand, three hundred forty-seven".