1975051296648 has 64 divisors (see below), whose sum is σ = 5496103584000. Its totient is φ = 657168434496.

The previous prime is 1975051296637. The next prime is 1975051296653. The reversal of 1975051296648 is 8466921505791.

1975051296648 is a `hidden beast` number, since 1 + 9 + 7 + 50 + 512 + 9 + 6 + 64 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8087728 + ... + 8328351.

It is an arithmetic number, because the mean of its divisors is an integer number (85876618500).

Almost surely, 2^{1975051296648} is an apocalyptic number.

1975051296648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1975051296648 is an abundant number, since it is smaller than the sum of its proper divisors (3521052287352).

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

1975051296648 is a wasteful number, since it uses less digits than its factorization.

1975051296648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16416651 (or 16416641 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 63.

The spelling of 1975051296648 in words is "one trillion, nine hundred seventy-five billion, fifty-one million, two hundred ninety-six thousand, six hundred forty-eight".