4971813321995 has 32 divisors (see below), whose sum is σ = 6526446319680. Its totient is φ = 3613679308800.

The previous prime is 4971813321983. The next prime is 4971813321997. The reversal of 4971813321995 is 5991233181794.

It is a de Polignac number, because none of the positive numbers 2^k-4971813321995 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4971813321997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4755071 + ... + 5705639.

It is an arithmetic number, because the mean of its divisors is an integer number (203951447490).

Almost surely, 2^{4971813321995} is an apocalyptic number.

4971813321995 is a deficient number, since it is larger than the sum of its proper divisors (1554632997685).

4971813321995 is a wasteful number, since it uses less digits than its factorization.

4971813321995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951855.

The product of its digits is 14696640, while the sum is 62.

The spelling of 4971813321995 in words is "four trillion, nine hundred seventy-one billion, eight hundred thirteen million, three hundred twenty-one thousand, nine hundred ninety-five".