620389047839 has 8 divisors (see below), whose sum is σ = 676798272768. Its totient is φ = 563981526360.

The previous prime is 620389047821. The next prime is 620389047847. The reversal of 620389047839 is 938740983026.

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 620389047839 - 2²⁰ = 620387999263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620389047899) 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, 406364 + ... + 1185710.

It is an arithmetic number, because the mean of its divisors is an integer number (84599784096).

Almost surely, 2^620389047839 is an apocalyptic number.

620389047839 is a deficient number, since it is larger than the sum of its proper divisors (56409224929).

620389047839 is a wasteful number, since it uses less digits than its factorization.

620389047839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851725.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 620389047839 in words is "six hundred twenty billion, three hundred eighty-nine million, forty-seven thousand, eight hundred thirty-nine".