71539358290 has 32 divisors (see below), whose sum is σ = 132558280704. Its totient is φ = 27777683520.

The previous prime is 71539358287. The next prime is 71539358321. The reversal of 71539358290 is 9285393517.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64834 + ... + 383773.

It is an arithmetic number, because the mean of its divisors is an integer number (4142446272).

Almost surely, 2^71539358290 is an apocalyptic number.

71539358290 is a deficient number, since it is larger than the sum of its proper divisors (61018922414).

71539358290 is a wasteful number, since it uses less digits than its factorization.

71539358290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449082.

The product of its (nonzero) digits is 2041200, while the sum is 52.

The spelling of 71539358290 in words is "seventy-one billion, five hundred thirty-nine million, three hundred fifty-eight thousand, two hundred ninety".