1613687041 has 4 divisors (see below), whose sum is σ = 1616346112. Its totient is φ = 1611027972.

The previous prime is 1613687021. The next prime is 1613687057. The reversal of 1613687041 is 1407863161.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1407863161 = 67 ⋅21012883.

It is a cyclic number.

It is not a de Polignac number, because 1613687041 - 2¹¹ = 1613684993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1613687011) 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, 1328625 + ... + 1329838.

It is an arithmetic number, because the mean of its divisors is an integer number (404086528).

Almost surely, 2^1613687041 is an apocalyptic number.

It is an amenable number.

1613687041 is a deficient number, since it is larger than the sum of its proper divisors (2659071).

1613687041 is an equidigital number, since it uses as much as digits as its factorization.

1613687041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2659070.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1613687041 is about 40170.7236803123. The cubic root of 1613687041 is about 1172.9327261979.

The spelling of 1613687041 in words is "one billion, six hundred thirteen million, six hundred eighty-seven thousand, forty-one".