4742812387997 has 2 divisors, whose sum is σ = 4742812387998. Its totient is φ = 4742812387996.

The previous prime is 4742812387993. The next prime is 4742812388021. The reversal of 4742812387997 is 7997832182474.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2868599365636 + 1874213022361 = 1693694^2 + 1369019^2 .

It is a cyclic number.

It is not a de Polignac number, because 4742812387997 - 2² = 4742812387993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4742812387997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4742812387993) 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 as a sum of consecutive naturals, namely, 2371406193998 + 2371406193999.

It is an arithmetic number, because the mean of its divisors is an integer number (2371406193999).

Almost surely, 2^{4742812387997} is an apocalyptic number.

It is an amenable number.

4742812387997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4742812387997 is an equidigital number, since it uses as much as digits as its factorization.

4742812387997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 341397504, while the sum is 71.

The spelling of 4742812387997 in words is "four trillion, seven hundred forty-two billion, eight hundred twelve million, three hundred eighty-seven thousand, nine hundred ninety-seven".