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2406416381 is a prime number
BaseRepresentation
bin1000111101101110…
…1111111111111101
320012201002121200122
42033123233333331
514412020311011
61034441504325
7113430126125
oct21733577775
96181077618
102406416381
1110253a5276
12571aa20a5
132c4724325
1418b84dc85
15e13e23db
hex8f6efffd

2406416381 has 2 divisors, whose sum is σ = 2406416382. Its totient is φ = 2406416380.

The previous prime is 2406416357. The next prime is 2406416417. The reversal of 2406416381 is 1836146042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1378636900 + 1027779481 = 37130^2 + 32059^2 .

It is a cyclic number.

It is not a de Polignac number, because 2406416381 - 226 = 2339307517 is a prime.

It is a super-2 number, since 2×24064163812 = 11581679597490274322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2406416281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1203208190 + 1203208191.

It is an arithmetic number, because the mean of its divisors is an integer number (1203208191).

Almost surely, 22406416381 is an apocalyptic number.

It is an amenable number.

2406416381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2406416381 is an equidigital number, since it uses as much as digits as its factorization.

2406416381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 2406416381 is about 49055.2380587435. The cubic root of 2406416381 is about 1340.0579875775.

The spelling of 2406416381 in words is "two billion, four hundred six million, four hundred sixteen thousand, three hundred eighty-one".