1620414359 has 2 divisors, whose sum is σ = 1620414360. Its totient is φ = 1620414358.

The previous prime is 1620414349. The next prime is 1620414413. The reversal of 1620414359 is 9534140261.

It is a weak prime.

It is an emirp because it is prime and its reverse (9534140261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1620414359 - 2⁴ = 1620414343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1620414349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 810207179 + 810207180.

It is an arithmetic number, because the mean of its divisors is an integer number (810207180).

Almost surely, 2^1620414359 is an apocalyptic number.

1620414359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1620414359 is an equidigital number, since it uses as much as digits as its factorization.

1620414359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1620414359 is about 40254.3706819520. The cubic root of 1620414359 is about 1174.5604171875.

The spelling of 1620414359 in words is "one billion, six hundred twenty million, four hundred fourteen thousand, three hundred fifty-nine".