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1386998612999 is a prime number
BaseRepresentation
bin10100001011101111100…
…011110100010000000111
311220121002022120220101222
4110023233203310100013
5140211033121103444
62541102305510555
7202131055454456
oct24135743642007
94817068526358
101386998612999
1149524a61585a
121a498704245b
13a0a4116aa7c
144b1b99dcb9d
152612ba36eee
hex142ef8f4407

1386998612999 has 2 divisors, whose sum is σ = 1386998613000. Its totient is φ = 1386998612998.

The previous prime is 1386998612959. The next prime is 1386998613001. The reversal of 1386998612999 is 9992168996831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1386998612999 - 28 = 1386998612743 is a prime.

It is a super-2 number, since 2×13869986129992 (a number of 25 digits) contains 22 as substring.

Together with 1386998613001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1386998612959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693499306499 + 693499306500.

It is an arithmetic number, because the mean of its divisors is an integer number (693499306500).

Almost surely, 21386998612999 is an apocalyptic number.

1386998612999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1386998612999 is an equidigital number, since it uses as much as digits as its factorization.

1386998612999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816293376, while the sum is 80.

The spelling of 1386998612999 in words is "one trillion, three hundred eighty-six billion, nine hundred ninety-eight million, six hundred twelve thousand, nine hundred ninety-nine".