1613608741 has 2 divisors, whose sum is σ = 1613608742. Its totient is φ = 1613608740.

The previous prime is 1613608709. The next prime is 1613608757. The reversal of 1613608741 is 1478063161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1589696641 + 23912100 = 39871^2 + 4890^2 .

It is a cyclic number.

It is not a de Polignac number, because 1613608741 - 2⁵ = 1613608709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1613608741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1613608441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806804370 + 806804371.

It is an arithmetic number, because the mean of its divisors is an integer number (806804371).

Almost surely, 2^1613608741 is an apocalyptic number.

It is an amenable number.

1613608741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1613608741 is an equidigital number, since it uses as much as digits as its factorization.

1613608741 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1613608741 is about 40169.7490781309. The cubic root of 1613608741 is about 1172.9137547130.

The spelling of 1613608741 in words is "one billion, six hundred thirteen million, six hundred eight thousand, seven hundred forty-one".