620143551685046 has 4 divisors (see below), whose sum is σ = 930215327527572. Its totient is φ = 310071775842522.

The previous prime is 620143551685033. The next prime is 620143551685069. The reversal of 620143551685046 is 640586155341026.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 620143551684982 and 620143551685000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155035887921260 + ... + 155035887921263.

It is an arithmetic number, because the mean of its divisors is an integer number (232553831881893).

Almost surely, 2^{620143551685046} is an apocalyptic number.

620143551685046 is a deficient number, since it is larger than the sum of its proper divisors (310071775842526).

620143551685046 is a wasteful number, since it uses less digits than its factorization.

620143551685046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310071775842525.

The product of its (nonzero) digits is 20736000, while the sum is 56.

The spelling of 620143551685046 in words is "six hundred twenty trillion, one hundred forty-three billion, five hundred fifty-one million, six hundred eighty-five thousand, forty-six".