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4157853991 is a prime number
BaseRepresentation
bin1111011111010011…
…1101000100100111
3101201202201212102021
43313310331010213
532003402311431
61524325124011
7205015114204
oct36764750447
911652655367
104157853991
111844000275
12980559607
13513540445
142b62c4cab
15195056b11
hexf7d3d127

4157853991 has 2 divisors, whose sum is σ = 4157853992. Its totient is φ = 4157853990.

The previous prime is 4157853967. The next prime is 4157854039. The reversal of 4157853991 is 1993587514.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4157853991 - 213 = 4157845799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4157853191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2078926995 + 2078926996.

It is an arithmetic number, because the mean of its divisors is an integer number (2078926996).

Almost surely, 24157853991 is an apocalyptic number.

4157853991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4157853991 is an equidigital number, since it uses as much as digits as its factorization.

4157853991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 52.

The square root of 4157853991 is about 64481.4236117659. The cubic root of 4157853991 is about 1608.0137009416.

The spelling of 4157853991 in words is "four billion, one hundred fifty-seven million, eight hundred fifty-three thousand, nine hundred ninety-one".