620346380355 has 64 divisors (see below), whose sum is σ = 1228626000000. Its totient is φ = 294870191616.

The previous prime is 620346380347. The next prime is 620346380363. The reversal of 620346380355 is 553083643026.

620346380355 is a `hidden beast` number, since 6 + 2 + 0 + 3 + 4 + 638 + 0 + 3 + 5 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (620346380347) and next prime (620346380363).

It is not a de Polignac number, because 620346380355 - 2³ = 620346380347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 620346380355.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6043480 + ... + 6145269.

It is an arithmetic number, because the mean of its divisors is an integer number (19197281250).

Almost surely, 2^620346380355 is an apocalyptic number.

620346380355 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

620346380355 is a deficient number, since it is larger than the sum of its proper divisors (608279619645).

620346380355 is a wasteful number, since it uses less digits than its factorization.

620346380355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12188805 (or 12188799 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 620346380355 in words is "six hundred twenty billion, three hundred forty-six million, three hundred eighty thousand, three hundred fifty-five".