620429965 has 8 divisors (see below), whose sum is σ = 745095168. Its totient is φ = 495957840.

The previous prime is 620429921. The next prime is 620430029. The reversal of 620429965 is 569924026.

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

It is a de Polignac number, because none of the positive numbers 2^k-620429965 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41101 + ... + 54130.

It is an arithmetic number, because the mean of its divisors is an integer number (93136896).

Almost surely, 2^620429965 is an apocalyptic number.

It is an amenable number.

620429965 is a deficient number, since it is larger than the sum of its proper divisors (124665203).

620429965 is a wasteful number, since it uses less digits than its factorization.

620429965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96539.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 620429965 is about 24908.4316045792. The cubic root of 620429965 is about 852.8989667433.

The spelling of 620429965 in words is "six hundred twenty million, four hundred twenty-nine thousand, nine hundred sixty-five".