620328747434 has 16 divisors (see below), whose sum is σ = 1024396100640. Its totient is φ = 279380752560.

The previous prime is 620328747413. The next prime is 620328747439. The reversal of 620328747434 is 434747823026.

It is not an unprimeable number, because it can be changed into a prime (620328747439) 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, 129340544 + ... + 129345339.

It is an arithmetic number, because the mean of its divisors is an integer number (64024756290).

Almost surely, 2^620328747434 is an apocalyptic number.

620328747434 is a deficient number, since it is larger than the sum of its proper divisors (404067353206).

620328747434 is a wasteful number, since it uses less digits than its factorization.

620328747434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258686005.

The product of its (nonzero) digits is 5419008, while the sum is 50.

The spelling of 620328747434 in words is "six hundred twenty billion, three hundred twenty-eight million, seven hundred forty-seven thousand, four hundred thirty-four".