6499772972150 has 48 divisors (see below), whose sum is σ = 12164481847440. Its totient is φ = 2583818380800.

The previous prime is 6499772972111. The next prime is 6499772972159. The reversal of 6499772972150 is 512792779946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6499772972159) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 14611010 + ... + 15049290.

It is an arithmetic number, because the mean of its divisors is an integer number (253426705155).

Almost surely, 2^{6499772972150} is an apocalyptic number.

6499772972150 is a deficient number, since it is larger than the sum of its proper divisors (5664708875290).

6499772972150 is a wasteful number, since it uses less digits than its factorization.

6499772972150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440129 (or 440124 counting only the distinct ones).

The product of its (nonzero) digits is 120022560, while the sum is 68.

The spelling of 6499772972150 in words is "six trillion, four hundred ninety-nine billion, seven hundred seventy-two million, nine hundred seventy-two thousand, one hundred fifty".