36519208849 has 4 divisors (see below), whose sum is σ = 36521052736. Its totient is φ = 36517364964.

The previous prime is 36519208829. The next prime is 36519208877. The reversal of 36519208849 is 94880291563.

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 36519208849 - 2¹⁹ = 36518684561 is a prime.

It is a super-2 number, since 2×36519208849² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36519208849.

It is not an unprimeable number, because it can be changed into a prime (36519208829) 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, 891909 + ... + 931954.

It is an arithmetic number, because the mean of its divisors is an integer number (9130263184).

Almost surely, 2^36519208849 is an apocalyptic number.

It is an amenable number.

36519208849 is a deficient number, since it is larger than the sum of its proper divisors (1843887).

36519208849 is a wasteful number, since it uses less digits than its factorization.

36519208849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843886.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 36519208849 in words is "thirty-six billion, five hundred nineteen million, two hundred eight thousand, eight hundred forty-nine".