11622349249 has 9 divisors (see below), whose sum is σ = 13520753571. Its totient is φ = 9961366800.

The previous prime is 11622349243. The next prime is 11622349301. The reversal of 11622349249 is 94294322611.

The square root of 11622349249 is 107807.

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., 11547006849 + 75342400 = 107457^2 + 8680^2 .

It is not a de Polignac number, because 11622349249 - 2³¹ = 9474865601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11622349243) 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, 746949 + ... + 762349.

Almost surely, 2^11622349249 is an apocalyptic number.

11622349249 is the 107807-th square number.

11622349249 is the 53904-th centered octagonal number.

It is an amenable number.

11622349249 is a deficient number, since it is larger than the sum of its proper divisors (1898404322).

11622349249 is an frugal number, since it uses more digits than its factorization.

11622349249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30816 (or 15408 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The spelling of 11622349249 in words is "eleven billion, six hundred twenty-two million, three hundred forty-nine thousand, two hundred forty-nine".