7951085934289 has 3 divisors (see below), whose sum is σ = 7951088754057. Its totient is φ = 7951083114522.

The previous prime is 7951085934269. The next prime is 7951085934329. The reversal of 7951085934289 is 9824395801597.

The square root of 7951085934289 is 2819767.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 7951085934289 - 2²³ = 7951077545681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7951085934269) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1409884 + ... + 4229650.

It is an arithmetic number, because the mean of its divisors is an integer number (2650362918019).

Almost surely, 2^{7951085934289} is an apocalyptic number.

7951085934289 is the 2819767-th square number.

7951085934289 is the 1409884-th centered octagonal number.

It is an amenable number.

7951085934289 is a deficient number, since it is larger than the sum of its proper divisors (2819768).

7951085934289 is an frugal number, since it uses more digits than its factorization.

7951085934289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5639534 (or 2819767 counting only the distinct ones).

The product of its (nonzero) digits is 195955200, while the sum is 70.

The spelling of 7951085934289 in words is "seven trillion, nine hundred fifty-one billion, eighty-five million, nine hundred thirty-four thousand, two hundred eighty-nine".