1613380687 has 8 divisors (see below), whose sum is σ = 1699493360. Its totient is φ = 1527387840.

The previous prime is 1613380669. The next prime is 1613380781. The reversal of 1613380687 is 7860833161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1613380687 - 2¹¹ = 1613378639 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 (1613380667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1614 + ... + 56827.

It is an arithmetic number, because the mean of its divisors is an integer number (212436670).

Almost surely, 2^1613380687 is an apocalyptic number.

1613380687 is a deficient number, since it is larger than the sum of its proper divisors (86112673).

1613380687 is a wasteful number, since it uses less digits than its factorization.

1613380687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59913.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 1613380687 is about 40166.9103491917. The cubic root of 1613380687 is about 1172.8584954941.

The spelling of 1613380687 in words is "one billion, six hundred thirteen million, three hundred eighty thousand, six hundred eighty-seven".