71289800962 has 4 divisors (see below), whose sum is σ = 106934701446. Its totient is φ = 35644900480.

The previous prime is 71289800927. The next prime is 71289800977. The reversal of 71289800962 is 26900898217.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 70659740761 + 630060201 = 265819^2 + 25101^2 .

It is a super-2 number, since 2×71289800962² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17822450239 + ... + 17822450242.

Almost surely, 2^71289800962 is an apocalyptic number.

71289800962 is a deficient number, since it is larger than the sum of its proper divisors (35644900484).

71289800962 is a wasteful number, since it uses less digits than its factorization.

71289800962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35644900483.

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 71289800962 in words is "seventy-one billion, two hundred eighty-nine million, eight hundred thousand, nine hundred sixty-two".