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2135948719 is a prime number
BaseRepresentation
bin111111101001111…
…1111110110101111
312111212011102210211
41333103333312233
513333300324334
6551540443251
7103634156512
oct17723776657
95455142724
102135948719
119a6761983
124b73a9527
132806966a8
14163966d79
15c77b8a64
hex7f4ffdaf

2135948719 has 2 divisors, whose sum is σ = 2135948720. Its totient is φ = 2135948718.

The previous prime is 2135948579. The next prime is 2135948741. The reversal of 2135948719 is 9178495312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2135948719 - 211 = 2135946671 is a prime.

It is a super-2 number, since 2×21359487192 = 9124553860395481922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2135948519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067974359 + 1067974360.

It is an arithmetic number, because the mean of its divisors is an integer number (1067974360).

Almost surely, 22135948719 is an apocalyptic number.

2135948719 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135948719 is an equidigital number, since it uses as much as digits as its factorization.

2135948719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 49.

The square root of 2135948719 is about 46216.3252433596. The cubic root of 2135948719 is about 1287.8450327860.

The spelling of 2135948719 in words is "two billion, one hundred thirty-five million, nine hundred forty-eight thousand, seven hundred nineteen".