9309021893734 has 4 divisors (see below), whose sum is σ = 13963532840604. Its totient is φ = 4654510946866.

The previous prime is 9309021893713. The next prime is 9309021893779. The reversal of 9309021893734 is 4373981209039.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2327255473432 + ... + 2327255473435.

It is an arithmetic number, because the mean of its divisors is an integer number (3490883210151).

Almost surely, 2^{9309021893734} is an apocalyptic number.

9309021893734 is a deficient number, since it is larger than the sum of its proper divisors (4654510946870).

9309021893734 is a wasteful number, since it uses less digits than its factorization.

9309021893734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4654510946869.

The product of its (nonzero) digits is 8817984, while the sum is 58.

The spelling of 9309021893734 in words is "nine trillion, three hundred nine billion, twenty-one million, eight hundred ninety-three thousand, seven hundred thirty-four".