1613200439 has 2 divisors, whose sum is σ = 1613200440. Its totient is φ = 1613200438.

The previous prime is 1613200409. The next prime is 1613200451. The reversal of 1613200439 is 9340023161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1613200439 - 2²⁴ = 1596423223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1613200409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806600219 + 806600220.

It is an arithmetic number, because the mean of its divisors is an integer number (806600220).

Almost surely, 2^1613200439 is an apocalyptic number.

1613200439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1613200439 is an equidigital number, since it uses as much as digits as its factorization.

1613200439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1613200439 is about 40164.6665490951. Note that the first 3 decimals coincide. The cubic root of 1613200439 is about 1172.8148163482.

The spelling of 1613200439 in words is "one billion, six hundred thirteen million, two hundred thousand, four hundred thirty-nine".