1516613849 has 4 divisors (see below), whose sum is σ = 1527524880. Its totient is φ = 1505702820.

The previous prime is 1516613803. The next prime is 1516613863. The reversal of 1516613849 is 9483166151.

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 1516613849 - 2¹² = 1516609753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1516613149) 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, 5455307 + ... + 5455584.

It is an arithmetic number, because the mean of its divisors is an integer number (381881220).

Almost surely, 2^1516613849 is an apocalyptic number.

It is an amenable number.

1516613849 is a deficient number, since it is larger than the sum of its proper divisors (10911031).

1516613849 is a wasteful number, since it uses less digits than its factorization.

1516613849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10911030.

The product of its digits is 155520, while the sum is 44.

The square root of 1516613849 is about 38943.7266963500. The cubic root of 1516613849 is about 1148.9249812721.

The spelling of 1516613849 in words is "one billion, five hundred sixteen million, six hundred thirteen thousand, eight hundred forty-nine".