601948697728 has 64 divisors (see below), whose sum is σ = 1371088177920. Its totient is φ = 257868840960.

The previous prime is 601948697723. The next prime is 601948697729. The reversal of 601948697728 is 827796849106.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×601948697728² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (601948697723) 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, 1994208 + ... + 2276128.

It is an arithmetic number, because the mean of its divisors is an integer number (21423252780).

Almost surely, 2^601948697728 is an apocalyptic number.

It is an amenable number.

601948697728 is an abundant number, since it is smaller than the sum of its proper divisors (769139480192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

601948697728 is a wasteful number, since it uses less digits than its factorization.

601948697728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284325 (or 284313 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 67.

The spelling of 601948697728 in words is "six hundred one billion, nine hundred forty-eight million, six hundred ninety-seven thousand, seven hundred twenty-eight".