1613246413 has 2 divisors, whose sum is σ = 1613246414. Its totient is φ = 1613246412.

The previous prime is 1613246353. The next prime is 1613246431. The reversal of 1613246413 is 3146423161.

It is a happy number.

Together with next prime (1613246431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1608170404 + 5076009 = 40102^2 + 2253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1613246413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1613246483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806623206 + 806623207.

It is an arithmetic number, because the mean of its divisors is an integer number (806623207).

Almost surely, 2^1613246413 is an apocalyptic number.

It is an amenable number.

1613246413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1613246413 is an equidigital number, since it uses as much as digits as its factorization.

1613246413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The square root of 1613246413 is about 40165.2388639729. The cubic root of 1613246413 is about 1172.8259574469.

Adding to 1613246413 its reverse (3146423161), we get a palindrome (4759669574).

The spelling of 1613246413 in words is "one billion, six hundred thirteen million, two hundred forty-six thousand, four hundred thirteen".