71450949348 has 18 divisors (see below), whose sum is σ = 180612122054. Its totient is φ = 23816983104.

The previous prime is 71450949341. The next prime is 71450949359. The reversal of 71450949348 is 84394905417.

71450949348 is a `hidden beast` number, since 7 + 1 + 4 + 509 + 4 + 93 + 48 = 666.

It can be written as a sum of positive squares in only one way, i.e., 70149760164 + 1301189184 = 264858^2 + 36072^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 71450949294 and 71450949303.

It is not an unprimeable number, because it can be changed into a prime (71450949341) 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 in 5 ways as a sum of consecutive naturals, for example, 992374261 + ... + 992374332.

Almost surely, 2^71450949348 is an apocalyptic number.

It is an amenable number.

71450949348 is an abundant number, since it is smaller than the sum of its proper divisors (109161172706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71450949348 is a wasteful number, since it uses less digits than its factorization.

71450949348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984748603 (or 1984748598 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 71450949348 in words is "seventy-one billion, four hundred fifty million, nine hundred forty-nine thousand, three hundred forty-eight".