1613650345 has 8 divisors (see below), whose sum is σ = 1938629376. Its totient is φ = 1289420976.

The previous prime is 1613650309. The next prime is 1613650351. The reversal of 1613650345 is 5430563161.

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 1613650345 - 2¹¹ = 1613648297 is a prime.

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 1613650345.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182667 + ... + 191296.

It is an arithmetic number, because the mean of its divisors is an integer number (242328672).

Almost surely, 2^1613650345 is an apocalyptic number.

It is an amenable number.

1613650345 is a deficient number, since it is larger than the sum of its proper divisors (324979031).

1613650345 is an equidigital number, since it uses as much as digits as its factorization.

1613650345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374831.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 1613650345 is about 40170.2669271689. The cubic root of 1613650345 is about 1172.9238351171.

The spelling of 1613650345 in words is "one billion, six hundred thirteen million, six hundred fifty thousand, three hundred forty-five".