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1275245498699 is a prime number
BaseRepresentation
bin10010100011101010100…
…011100001000101001011
311111220122001101111022122
4102203222203201011023
5131343200321424244
62413501212441455
7161063525613554
oct22435243410513
94456561344278
101275245498699
11451912924a57
1218719917928b
13933416b8833
1445a17a6932b
152328aa981ee
hex128ea8e114b

1275245498699 has 2 divisors, whose sum is σ = 1275245498700. Its totient is φ = 1275245498698.

The previous prime is 1275245498671. The next prime is 1275245498707. The reversal of 1275245498699 is 9968945425721.

It is a strong prime.

It is an emirp because it is prime and its reverse (9968945425721) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1275245498699 is a prime.

It is a super-2 number, since 2×12752454986992 (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1275245498629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637622749349 + 637622749350.

It is an arithmetic number, because the mean of its divisors is an integer number (637622749350).

Almost surely, 21275245498699 is an apocalyptic number.

1275245498699 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275245498699 is an equidigital number, since it uses as much as digits as its factorization.

1275245498699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 391910400, while the sum is 71.

The spelling of 1275245498699 in words is "one trillion, two hundred seventy-five billion, two hundred forty-five million, four hundred ninety-eight thousand, six hundred ninety-nine".