620672290468 has 12 divisors (see below), whose sum is σ = 1112668618572. Its totient is φ = 302766970880.

The previous prime is 620672290423. The next prime is 620672290471. The reversal of 620672290468 is 864092276026.

It can be written as a sum of positive squares in 2 ways, for example, as 264893443684 + 355778846784 = 514678^2 + 596472^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1892293405 + ... + 1892293732.

It is an arithmetic number, because the mean of its divisors is an integer number (92722384881).

Almost surely, 2^620672290468 is an apocalyptic number.

It is an amenable number.

620672290468 is a deficient number, since it is larger than the sum of its proper divisors (491996328104).

620672290468 is a wasteful number, since it uses less digits than its factorization.

620672290468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3784587182 (or 3784587180 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 620672290468 in words is "six hundred twenty billion, six hundred seventy-two million, two hundred ninety thousand, four hundred sixty-eight".