620531486182747 has 16 divisors (see below), whose sum is σ = 623959874002080. Its totient is φ = 617105321736192.

The previous prime is 620531486182723. The next prime is 620531486182787. The reversal of 620531486182747 is 747281684135026.

It is a cyclic number.

It is not a de Polignac number, because 620531486182747 - 2⁴³ = 611735393160539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620531486182787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14829974208 + ... + 14830016050.

It is an arithmetic number, because the mean of its divisors is an integer number (38997492125130).

Almost surely, 2^{620531486182747} is an apocalyptic number.

620531486182747 is a deficient number, since it is larger than the sum of its proper divisors (3428387819333).

620531486182747 is a wasteful number, since it uses less digits than its factorization.

620531486182747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66462.

The product of its (nonzero) digits is 108380160, while the sum is 64.

The spelling of 620531486182747 in words is "six hundred twenty trillion, five hundred thirty-one billion, four hundred eighty-six million, one hundred eighty-two thousand, seven hundred forty-seven".