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4971549829 is a prime number
BaseRepresentation
bin1001010000101001…
…11101010010000101
3110211110211220021011
410220110331102011
540140204043304
62141153322221
7234125322241
oct45024752205
913743756234
104971549829
112121345a74
12b68b66371
13612caa17c
143523b7421
151e16d6c04
hex12853d485

4971549829 has 2 divisors, whose sum is σ = 4971549830. Its totient is φ = 4971549828.

The previous prime is 4971549811. The next prime is 4971549857. The reversal of 4971549829 is 9289451794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3753400225 + 1218149604 = 61265^2 + 34902^2 .

It is a cyclic number.

It is not a de Polignac number, because 4971549829 - 211 = 4971547781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4971549229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2485774914 + 2485774915.

It is an arithmetic number, because the mean of its divisors is an integer number (2485774915).

Almost surely, 24971549829 is an apocalyptic number.

It is an amenable number.

4971549829 is a deficient number, since it is larger than the sum of its proper divisors (1).

4971549829 is an equidigital number, since it uses as much as digits as its factorization.

4971549829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 58.

The square root of 4971549829 is about 70509.2180427496. The cubic root of 4971549829 is about 1706.7265018381.

The spelling of 4971549829 in words is "four billion, nine hundred seventy-one million, five hundred forty-nine thousand, eight hundred twenty-nine".