620402645246 has 8 divisors (see below), whose sum is σ = 943711066224. Its totient is φ = 305832289840.

The previous prime is 620402645243. The next prime is 620402645251. The reversal of 620402645246 is 642546204026.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620402645243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2184516215 + ... + 2184516498.

It is an arithmetic number, because the mean of its divisors is an integer number (117963883278).

Almost surely, 2^620402645246 is an apocalyptic number.

620402645246 is a deficient number, since it is larger than the sum of its proper divisors (323308420978).

620402645246 is a wasteful number, since it uses less digits than its factorization.

620402645246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369032786.

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 620402645246 in words is "six hundred twenty billion, four hundred two million, six hundred forty-five thousand, two hundred forty-six".