71121922346 has 4 divisors (see below), whose sum is σ = 106682883522. Its totient is φ = 35560961172.

The previous prime is 71121922337. The next prime is 71121922397. The reversal of 71121922346 is 64322912117.

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., 62305651321 + 8816271025 = 249611^2 + 93895^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17780480585 + ... + 17780480588.

Almost surely, 2^71121922346 is an apocalyptic number.

71121922346 is a deficient number, since it is larger than the sum of its proper divisors (35560961176).

71121922346 is a wasteful number, since it uses less digits than its factorization.

71121922346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35560961175.

The product of its digits is 36288, while the sum is 38.

The spelling of 71121922346 in words is "seventy-one billion, one hundred twenty-one million, nine hundred twenty-two thousand, three hundred forty-six".