620028416945 has 16 divisors (see below), whose sum is σ = 850447175808. Its totient is φ = 425101098240.

The previous prime is 620028416941. The next prime is 620028416951. The reversal of 620028416945 is 549614820026.

It is not a de Polignac number, because 620028416945 - 2² = 620028416941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 620028416945.

It is not an unprimeable number, because it can be changed into a prime (620028416941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1028819 + ... + 1516088.

It is an arithmetic number, because the mean of its divisors is an integer number (53152948488).

Almost surely, 2^620028416945 is an apocalyptic number.

It is an amenable number.

620028416945 is a deficient number, since it is larger than the sum of its proper divisors (230418758863).

620028416945 is a wasteful number, since it uses less digits than its factorization.

620028416945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551880.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 620028416945 in words is "six hundred twenty billion, twenty-eight million, four hundred sixteen thousand, nine hundred forty-five".