4747001491 has 2 divisors, whose sum is σ = 4747001492. Its totient is φ = 4747001490.

The previous prime is 4747001453. The next prime is 4747001513. The reversal of 4747001491 is 1941007474.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4747001491 - 2¹⁷ = 4746870419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4747001491.

It is not a weakly prime, because it can be changed into another prime (4747001411) 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, 2373500745 + 2373500746.

It is an arithmetic number, because the mean of its divisors is an integer number (2373500746).

Almost surely, 2^4747001491 is an apocalyptic number.

4747001491 is a deficient number, since it is larger than the sum of its proper divisors (1).

4747001491 is an equidigital number, since it uses as much as digits as its factorization.

4747001491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 4747001491 is about 68898.4868556632. The cubic root of 4747001491 is about 1680.6339126801.

The spelling of 4747001491 in words is "four billion, seven hundred forty-seven million, one thousand, four hundred ninety-one".