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4791862949 is a prime number
BaseRepresentation
bin1000111011001111…
…00000011010100101
3110100221201212012112
410131213200122211
534303204103244
62111254130405
7226514106626
oct43547403245
913327655175
104791862949
112039977615
12b18950a05
135b49b5983
143365a1a4d
151d0a4139e
hex11d9e06a5

4791862949 has 2 divisors, whose sum is σ = 4791862950. Its totient is φ = 4791862948.

The previous prime is 4791862927. The next prime is 4791862963. The reversal of 4791862949 is 9492681974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3958674724 + 833188225 = 62918^2 + 28865^2 .

It is a cyclic number.

It is not a de Polignac number, because 4791862949 - 28 = 4791862693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4791864949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2395931474 + 2395931475.

It is an arithmetic number, because the mean of its divisors is an integer number (2395931475).

Almost surely, 24791862949 is an apocalyptic number.

It is an amenable number.

4791862949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4791862949 is an equidigital number, since it uses as much as digits as its factorization.

4791862949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 59.

The square root of 4791862949 is about 69223.2832867670. The cubic root of 4791862949 is about 1685.9115894374.

The spelling of 4791862949 in words is "four billion, seven hundred ninety-one million, eight hundred sixty-two thousand, nine hundred forty-nine".