620256413215 has 8 divisors (see below), whose sum is σ = 744364217520. Its totient is φ = 496167449472.

The previous prime is 620256413213. The next prime is 620256413219. The reversal of 620256413215 is 512314652026.

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 620256413215 - 2¹ = 620256413213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620256413213) 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, 4637610 + ... + 4769479.

It is an arithmetic number, because the mean of its divisors is an integer number (93045527190).

Almost surely, 2^620256413215 is an apocalyptic number.

620256413215 is a deficient number, since it is larger than the sum of its proper divisors (124107804305).

620256413215 is a wasteful number, since it uses less digits than its factorization.

620256413215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9420281.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 620256413215 in words is "six hundred twenty billion, two hundred fifty-six million, four hundred thirteen thousand, two hundred fifteen".