1620414343 has 2 divisors, whose sum is σ = 1620414344. Its totient is φ = 1620414342.

The previous prime is 1620414337. The next prime is 1620414349. The reversal of 1620414343 is 3434140261.

It is a balanced prime because it is at equal distance from previous prime (1620414337) and next prime (1620414349).

It is a cyclic number.

It is not a de Polignac number, because 1620414343 - 2⁵ = 1620414311 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, 810207171 + 810207172.

It is an arithmetic number, because the mean of its divisors is an integer number (810207172).

Almost surely, 2^1620414343 is an apocalyptic number.

1620414343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1620414343 is an equidigital number, since it uses as much as digits as its factorization.

1620414343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 1620414343 is about 40254.3704832159. The cubic root of 1620414343 is about 1174.5604133216.

The spelling of 1620414343 in words is "one billion, six hundred twenty million, four hundred fourteen thousand, three hundred forty-three".