1613043442 has 8 divisors (see below), whose sum is σ = 2421556956. Its totient is φ = 805857792.

The previous prime is 1613043407. The next prime is 1613043469. The reversal of 1613043442 is 2443403161.

It can be written as a sum of positive squares in 2 ways, for example, as 1301838561 + 311204881 = 36081^2 + 17641^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1613043442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328923 + ... + 333790.

Almost surely, 2^1613043442 is an apocalyptic number.

1613043442 is a deficient number, since it is larger than the sum of its proper divisors (808513514).

1613043442 is a wasteful number, since it uses less digits than its factorization.

1613043442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663932.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 1613043442 is about 40162.7120847186. The cubic root of 1613043442 is about 1172.7767689205.

The spelling of 1613043442 in words is "one billion, six hundred thirteen million, forty-three thousand, four hundred forty-two".