36520087449 has 4 divisors (see below), whose sum is σ = 48693449936. Its totient is φ = 24346724964.

The previous prime is 36520087433. The next prime is 36520087451. The reversal of 36520087449 is 94478002563.

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 not a de Polignac number, because 36520087449 - 2⁴ = 36520087433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36520087398 and 36520087407.

It is not an unprimeable number, because it can be changed into a prime (36520087349) 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, 6086681239 + ... + 6086681244.

It is an arithmetic number, because the mean of its divisors is an integer number (12173362484).

Almost surely, 2^36520087449 is an apocalyptic number.

It is an amenable number.

36520087449 is a deficient number, since it is larger than the sum of its proper divisors (12173362487).

36520087449 is a wasteful number, since it uses less digits than its factorization.

36520087449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12173362486.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 36520087449 in words is "thirty-six billion, five hundred twenty million, eighty-seven thousand, four hundred forty-nine".