4971953477772 has 36 divisors (see below), whose sum is σ = 13229466857880. Its totient is φ = 1570090571712.

The previous prime is 4971953477683. The next prime is 4971953477779. The reversal of 4971953477772 is 2777743591794.

It is a happy number.

4971953477772 is a `hidden beast` number, since 4 + 9 + 7 + 19 + 534 + 7 + 7 + 7 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 4971953477772.

It is not an unprimeable number, because it can be changed into a prime (4971953477779) 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 11 ways as a sum of consecutive naturals, for example, 3634468233 + ... + 3634469600.

Almost surely, 2^{4971953477772} is an apocalyptic number.

It is an amenable number.

4971953477772 is an abundant number, since it is smaller than the sum of its proper divisors (8257513380108).

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

4971953477772 is a wasteful number, since it uses less digits than its factorization.

4971953477772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7268937862 (or 7268937857 counting only the distinct ones).

The product of its digits is 653456160, while the sum is 72.

The spelling of 4971953477772 in words is "four trillion, nine hundred seventy-one billion, nine hundred fifty-three million, four hundred seventy-seven thousand, seven hundred seventy-two".