71453199380 has 12 divisors (see below), whose sum is σ = 150051718740. Its totient is φ = 28581279744.

The previous prime is 71453199379. The next prime is 71453199413. The reversal of 71453199380 is 8399135417.

It can be written as a sum of positive squares in 2 ways, for example, as 43850035216 + 27603164164 = 209404^2 + 166142^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1786329965 + ... + 1786330004.

It is an arithmetic number, because the mean of its divisors is an integer number (12504309895).

Almost surely, 2^71453199380 is an apocalyptic number.

It is an amenable number.

71453199380 is an abundant number, since it is smaller than the sum of its proper divisors (78598519360).

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

71453199380 is a wasteful number, since it uses less digits than its factorization.

71453199380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3572659978 (or 3572659976 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 71453199380 in words is "seventy-one billion, four hundred fifty-three million, one hundred ninety-nine thousand, three hundred eighty".