11589473749 has 16 divisors (see below), whose sum is σ = 13825198080. Its totient is φ = 9499034160.

The previous prime is 11589473717. The next prime is 11589473759. The reversal of 11589473749 is 94737498511.

It is a happy number.

It is not a de Polignac number, because 11589473749 - 2⁵ = 11589473717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11589473693 and 11589473702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11589473759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 638104 + ... + 656014.

It is an arithmetic number, because the mean of its divisors is an integer number (864074880).

Almost surely, 2^11589473749 is an apocalyptic number.

It is an amenable number.

11589473749 is a deficient number, since it is larger than the sum of its proper divisors (2235724331).

11589473749 is a wasteful number, since it uses less digits than its factorization.

11589473749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21960.

The product of its digits is 7620480, while the sum is 58.

The spelling of 11589473749 in words is "eleven billion, five hundred eighty-nine million, four hundred seventy-three thousand, seven hundred forty-nine".