11908734049 has 8 divisors (see below), whose sum is σ = 12301295400. Its totient is φ = 11519894016.

The previous prime is 11908734037. The next prime is 11908734059. The reversal of 11908734049 is 94043780911.

It can be written as a sum of positive squares in 4 ways, for example, as 2865675024 + 9043059025 = 53532^2 + 95095^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11908734049 - 2⁵ = 11908734017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11908734059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923824 + ... + 936625.

It is an arithmetic number, because the mean of its divisors is an integer number (1537661925).

Almost surely, 2^11908734049 is an apocalyptic number.

It is an amenable number.

11908734049 is a deficient number, since it is larger than the sum of its proper divisors (392561351).

11908734049 is a wasteful number, since it uses less digits than its factorization.

11908734049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860659.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 11908734049 in words is "eleven billion, nine hundred eight million, seven hundred thirty-four thousand, forty-nine".