11849459428 has 6 divisors (see below), whose sum is σ = 20736554006. Its totient is φ = 5924729712.

The previous prime is 11849459399. The next prime is 11849459431. The reversal of 11849459428 is 82495494811.

It can be written as a sum of positive squares in only one way, i.e., 11191947264 + 657512164 = 105792^2 + 25642^2 .

It is a super-4 number, since 4×11849459428⁴ (a number of 41 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1481182425 + ... + 1481182432.

Almost surely, 2^11849459428 is an apocalyptic number.

It is an amenable number.

11849459428 is a deficient number, since it is larger than the sum of its proper divisors (8887094578).

11849459428 is a wasteful number, since it uses less digits than its factorization.

11849459428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962364861 (or 2962364859 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 55.

The spelling of 11849459428 in words is "eleven billion, eight hundred forty-nine million, four hundred fifty-nine thousand, four hundred twenty-eight".