Search a number
-
+
4971688597 is a prime number
BaseRepresentation
bin1001010000101010…
…11111001010010101
3110211111002221121201
410220111133022111
540140223013342
62141200312501
7234126440641
oct45025371225
913744087551
104971688597
112121430257
12b69012731
13613028395
14352411c21
151e1712db7
hex12855f295

4971688597 has 2 divisors, whose sum is σ = 4971688598. Its totient is φ = 4971688596.

The previous prime is 4971688571. The next prime is 4971688613. The reversal of 4971688597 is 7958861794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4805123761 + 166564836 = 69319^2 + 12906^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4971688597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4971608597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2485844298 + 2485844299.

It is an arithmetic number, because the mean of its divisors is an integer number (2485844299).

Almost surely, 24971688597 is an apocalyptic number.

It is an amenable number.

4971688597 is a deficient number, since it is larger than the sum of its proper divisors (1).

4971688597 is an equidigital number, since it uses as much as digits as its factorization.

4971688597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30481920, while the sum is 64.

The square root of 4971688597 is about 70510.2020774299. The cubic root of 4971688597 is about 1706.7423813142.

The spelling of 4971688597 in words is "four billion, nine hundred seventy-one million, six hundred eighty-eight thousand, five hundred ninety-seven".