1290617413 has 2 divisors, whose sum is σ = 1290617414. Its totient is φ = 1290617412.

The previous prime is 1290617399. The next prime is 1290617429. The reversal of 1290617413 is 3147160921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1207771009 + 82846404 = 34753^2 + 9102^2 .

It is a cyclic number.

It is not a de Polignac number, because 1290617413 - 2²⁵ = 1257062981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1290617453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 645308706 + 645308707.

It is an arithmetic number, because the mean of its divisors is an integer number (645308707).

Almost surely, 2^1290617413 is an apocalyptic number.

It is an amenable number.

1290617413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1290617413 is an equidigital number, since it uses as much as digits as its factorization.

1290617413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1290617413 is about 35925.1640636476. The cubic root of 1290617413 is about 1088.7608770475.

The spelling of 1290617413 in words is "one billion, two hundred ninety million, six hundred seventeen thousand, four hundred thirteen".