10209032749 has 4 divisors (see below), whose sum is σ = 10209235360. Its totient is φ = 10208830140.

The previous prime is 10209032723. The next prime is 10209032767. The reversal of 10209032749 is 94723090201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10209032749 - 2¹⁵ = 10208999981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10209032549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39664 + ... + 148294.

It is an arithmetic number, because the mean of its divisors is an integer number (2552308840).

Almost surely, 2^10209032749 is an apocalyptic number.

It is an amenable number.

10209032749 is a deficient number, since it is larger than the sum of its proper divisors (202611).

10209032749 is an equidigital number, since it uses as much as digits as its factorization.

10209032749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202610.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 10209032749 in words is "ten billion, two hundred nine million, thirty-two thousand, seven hundred forty-nine".