1620414013 has 8 divisors (see below), whose sum is σ = 1668635136. Its totient is φ = 1572607200.

The previous prime is 1620413987. The next prime is 1620414017. The reversal of 1620414013 is 3104140261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1620414013 - 2⁵ = 1620413981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1620414017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95631 + ... + 111292.

It is an arithmetic number, because the mean of its divisors is an integer number (208579392).

Almost surely, 2^1620414013 is an apocalyptic number.

It is an amenable number.

1620414013 is a deficient number, since it is larger than the sum of its proper divisors (48221123).

1620414013 is a wasteful number, since it uses less digits than its factorization.

1620414013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207155.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1620414013 is about 40254.3663842818. The cubic root of 1620414013 is about 1174.5603335879.

Adding to 1620414013 its reverse (3104140261), we get a palindrome (4724554274).

The spelling of 1620414013 in words is "one billion, six hundred twenty million, four hundred fourteen thousand, thirteen".