4047971461 has 2 divisors, whose sum is σ = 4047971462. Its totient is φ = 4047971460.

The previous prime is 4047971443. The next prime is 4047971479. The reversal of 4047971461 is 1641797404.

It is a balanced prime because it is at equal distance from previous prime (4047971443) and next prime (4047971479).

It can be written as a sum of positive squares in only one way, i.e., 3659645025 + 388326436 = 60495^2 + 19706^2 .

It is a cyclic number.

It is not a de Polignac number, because 4047971461 - 2⁵ = 4047971429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4047971561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2023985730 + 2023985731.

It is an arithmetic number, because the mean of its divisors is an integer number (2023985731).

Almost surely, 2^4047971461 is an apocalyptic number.

It is an amenable number.

4047971461 is a deficient number, since it is larger than the sum of its proper divisors (1).

4047971461 is an equidigital number, since it uses as much as digits as its factorization.

4047971461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 4047971461 is about 63623.6706030075. The cubic root of 4047971461 is about 1593.7216803970.

The spelling of 4047971461 in words is "four billion, forty-seven million, nine hundred seventy-one thousand, four hundred sixty-one".