9051692011609 has 9 divisors (see below), whose sum is σ = 9801578672319. Its totient is φ = 8355371907480.

The previous prime is 9051692011567. The next prime is 9051692011619. The reversal of 9051692011609 is 9061102961509.

The square root of 9051692011609 is 3008603.

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

It can be written as a sum of positive squares in only one way, i.e., 1339007694025 + 7712684317584 = 1157155^2 + 2777172^2 .

It is not a de Polignac number, because 9051692011609 - 2²¹ = 9051689914457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9051692011619) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 38996124 + ... + 39227554.

Almost surely, 2^{9051692011609} is an apocalyptic number.

9051692011609 is the 3008603-rd square number.

9051692011609 is the 1504302-nd centered octagonal number.

It is an amenable number.

9051692011609 is a deficient number, since it is larger than the sum of its proper divisors (749886660710).

9051692011609 is an frugal number, since it uses more digits than its factorization.

9051692011609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462888 (or 231444 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 49.

Multiplying 9051692011609 by its sum of digits (49), we get a square (443532908568841 = 21060221²).

The spelling of 9051692011609 in words is "nine trillion, fifty-one billion, six hundred ninety-two million, eleven thousand, six hundred nine".