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1292495368979 is a prime number
BaseRepresentation
bin10010110011101110101…
…110100011001100010011
311120120011020001200211002
4102303232232203030103
5132134012303301404
62425433021212215
7162244145236553
oct22635656431423
94516136050732
101292495368979
11459164a388a1
1218a5b210106b
1394b603a7579
14467b29cd163
152394a17ac1e
hex12ceeba3313

1292495368979 has 2 divisors, whose sum is σ = 1292495368980. Its totient is φ = 1292495368978.

The previous prime is 1292495368943. The next prime is 1292495368987. The reversal of 1292495368979 is 9798635942921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1292495368979 - 228 = 1292226933523 is a prime.

It is a super-2 number, since 2×12924953689792 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1292495368939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 646247684489 + 646247684490.

It is an arithmetic number, because the mean of its divisors is an integer number (646247684490).

Almost surely, 21292495368979 is an apocalyptic number.

1292495368979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1292495368979 is an equidigital number, since it uses as much as digits as its factorization.

1292495368979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 529079040, while the sum is 74.

The spelling of 1292495368979 in words is "one trillion, two hundred ninety-two billion, four hundred ninety-five million, three hundred sixty-eight thousand, nine hundred seventy-nine".