6348545901988 has 12 divisors (see below), whose sum is σ = 11123487557532. Its totient is φ = 3170406599840.

The previous prime is 6348545901983. The next prime is 6348545901989. The reversal of 6348545901988 is 8891095458436.

It can be written as a sum of positive squares in 2 ways, for example, as 2314907476324 + 4033638425664 = 1521482^2 + 2008392^2 .

It is not an unprimeable number, because it can be changed into a prime (6348545901983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966584095 + ... + 966590662.

It is an arithmetic number, because the mean of its divisors is an integer number (926957296461).

Almost surely, 2^{6348545901988} is an apocalyptic number.

It is an amenable number.

6348545901988 is a deficient number, since it is larger than the sum of its proper divisors (4774941655544).

6348545901988 is a wasteful number, since it uses less digits than its factorization.

6348545901988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933175582 (or 1933175580 counting only the distinct ones).

The product of its (nonzero) digits is 298598400, while the sum is 70.

The spelling of 6348545901988 in words is "six trillion, three hundred forty-eight billion, five hundred forty-five million, nine hundred one thousand, nine hundred eighty-eight".