636064424746 has 16 divisors (see below), whose sum is σ = 956663352000. Its totient is φ = 317177296128.

The previous prime is 636064424729. The next prime is 636064424761. The reversal of 636064424746 is 647424460636.

It is a junction number, because it is equal to n+sod(n) for n = 636064424693 and 636064424702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1794211 + ... + 2119273.

It is an arithmetic number, because the mean of its divisors is an integer number (59791459500).

Almost surely, 2^636064424746 is an apocalyptic number.

636064424746 is a deficient number, since it is larger than the sum of its proper divisors (320598927254).

636064424746 is a wasteful number, since it uses less digits than its factorization.

636064424746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327693.

The product of its (nonzero) digits is 13934592, while the sum is 52.

The spelling of 636064424746 in words is "six hundred thirty-six billion, sixty-four million, four hundred twenty-four thousand, seven hundred forty-six".