6514550421772 has 24 divisors (see below), whose sum is σ = 11410310725632. Its totient is φ = 3254462265600.

The previous prime is 6514550421683. The next prime is 6514550421787. The reversal of 6514550421772 is 2771240554156.

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 7 ways as a sum of consecutive naturals, for example, 44518758 + ... + 44664850.

It is an arithmetic number, because the mean of its divisors is an integer number (475429613568).

Almost surely, 2^{6514550421772} is an apocalyptic number.

It is an amenable number.

6514550421772 is a deficient number, since it is larger than the sum of its proper divisors (4895760303860).

6514550421772 is a wasteful number, since it uses less digits than its factorization.

6514550421772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155649 (or 155647 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 49.

The spelling of 6514550421772 in words is "six trillion, five hundred fourteen billion, five hundred fifty million, four hundred twenty-one thousand, seven hundred seventy-two".