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1419676981 is a prime number
BaseRepresentation
bin101010010011110…
…1000110100110101
310122221101001200221
41110213220310311
510401414130411
6352512334341
750116024642
oct12447506465
93587331627
101419676981
11669409368
123375443b1
1319817ab68
14d6794dc9
1584980071
hex549e8d35

1419676981 has 2 divisors, whose sum is σ = 1419676982. Its totient is φ = 1419676980.

The previous prime is 1419676967. The next prime is 1419677009. The reversal of 1419676981 is 1896769141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1387935025 + 31741956 = 37255^2 + 5634^2 .

It is a cyclic number.

It is not a de Polignac number, because 1419676981 - 221 = 1417579829 is a prime.

It is a super-2 number, since 2×14196769812 = 4030965460762548722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1419676901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 709838490 + 709838491.

It is an arithmetic number, because the mean of its divisors is an integer number (709838491).

Almost surely, 21419676981 is an apocalyptic number.

It is an amenable number.

1419676981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1419676981 is an equidigital number, since it uses as much as digits as its factorization.

1419676981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 52.

The square root of 1419676981 is about 37678.6011019518. The cubic root of 1419676981 is about 1123.9056303563.

The spelling of 1419676981 in words is "one billion, four hundred nineteen million, six hundred seventy-six thousand, nine hundred eighty-one".