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4889498749 is a prime number
BaseRepresentation
bin1001000110110111…
…11101010001111101
3110121202110021100021
410203123331101331
540003202424444
62125102532141
7232111024252
oct44333752175
913552407307
104889498749
112089aa3863
12b45597051
135cbcac335
14345539429
151d93ca584
hex1236fd47d

4889498749 has 2 divisors, whose sum is σ = 4889498750. Its totient is φ = 4889498748.

The previous prime is 4889498743. The next prime is 4889498773. The reversal of 4889498749 is 9478949884.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2916540025 + 1972958724 = 54005^2 + 44418^2 .

It is a cyclic number.

It is not a de Polignac number, because 4889498749 - 223 = 4881110141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4889498743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2444749374 + 2444749375.

It is an arithmetic number, because the mean of its divisors is an integer number (2444749375).

Almost surely, 24889498749 is an apocalyptic number.

It is an amenable number.

4889498749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4889498749 is an equidigital number, since it uses as much as digits as its factorization.

4889498749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 167215104, while the sum is 70.

The square root of 4889498749 is about 69924.9508330181. The cubic root of 4889498749 is about 1697.2850261232.

The spelling of 4889498749 in words is "four billion, eight hundred eighty-nine million, four hundred ninety-eight thousand, seven hundred forty-nine".