11429106649 has 3 divisors (see below), whose sum is σ = 11429213557. Its totient is φ = 11428999742.

The previous prime is 11429106587. The next prime is 11429106653. The reversal of 11429106649 is 94660192411.

The square root of 11429106649 is 106907.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94660192411 = 4217 ⋅22447283.

It is not a de Polignac number, because 11429106649 - 2¹¹ = 11429104601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11429106679) 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, 53454 + ... + 160360.

Almost surely, 2^11429106649 is an apocalyptic number.

11429106649 is the 106907-th square number.

11429106649 is the 53454-th centered octagonal number.

It is an amenable number.

11429106649 is a deficient number, since it is larger than the sum of its proper divisors (106908).

11429106649 is an frugal number, since it uses more digits than its factorization.

11429106649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213814 (or 106907 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 11429106649 in words is "eleven billion, four hundred twenty-nine million, one hundred six thousand, six hundred forty-nine".