11934212795649 has 27 divisors (see below), whose sum is σ = 17570503961283. Its totient is φ = 7805666701872.

The previous prime is 11934212795597. The next prime is 11934212795671. The reversal of 11934212795649 is 94659721243911.

The square root of 11934212795649 is 3454593.

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

11934212795649 is a `hidden beast` number, since 1 + 1 + 9 + 3 + 42 + 1 + 27 + 9 + 564 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8603339591025 + 3330873204624 = 2933145^2 + 1825068^2 .

It is not a de Polignac number, because 11934212795649 - 2⁷ = 11934212795521 is a prime.

It is a super-3 number, since 3×11934212795649³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11934212795699) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 549269424 + ... + 549291150.

Almost surely, 2^{11934212795649} is an apocalyptic number.

11934212795649 is the 3454593-rd square number.

11934212795649 is the 1727297-th centered octagonal number.

It is an amenable number.

11934212795649 is a deficient number, since it is larger than the sum of its proper divisors (5636291165634).

11934212795649 is an frugal number, since it uses more digits than its factorization.

11934212795649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43566 (or 21783 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 63.

The spelling of 11934212795649 in words is "eleven trillion, nine hundred thirty-four billion, two hundred twelve million, seven hundred ninety-five thousand, six hundred forty-nine".