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10243468639 is a prime number
BaseRepresentation
bin10011000101000111…
…01110110101011111
3222102212220010022101
421202203232311133
5131434311444024
64412241025531
7511562022025
oct114243566537
928385803271
1010243468639
114387197668
121b9a6252a7
13c73284061
146d261c715
153ee451c44
hex2628eed5f

10243468639 has 2 divisors, whose sum is σ = 10243468640. Its totient is φ = 10243468638.

The previous prime is 10243468633. The next prime is 10243468687. The reversal of 10243468639 is 93686434201.

It is a weak prime.

It is an emirp because it is prime and its reverse (93686434201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10243468639 - 25 = 10243468607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10243468633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5121734319 + 5121734320.

It is an arithmetic number, because the mean of its divisors is an integer number (5121734320).

Almost surely, 210243468639 is an apocalyptic number.

10243468639 is a deficient number, since it is larger than the sum of its proper divisors (1).

10243468639 is an equidigital number, since it uses as much as digits as its factorization.

10243468639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 10243468639 in words is "ten billion, two hundred forty-three million, four hundred sixty-eight thousand, six hundred thirty-nine".