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492240253457 is a prime number
BaseRepresentation
bin1110010100110111100…
…11100011001000010001
31202001120001212202010102
413022123303203020101
531031102001102312
61014044304542145
750364113055521
oct7123363431021
91661501782112
10492240253457
1117a837877027
127b496321955
1337558616c84
1419b78819681
15cc0e793ec2
hex729bce3211

492240253457 has 2 divisors, whose sum is σ = 492240253458. Its totient is φ = 492240253456.

The previous prime is 492240253451. The next prime is 492240253517. The reversal of 492240253457 is 754352042294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 394636496401 + 97603757056 = 628201^2 + 312416^2 .

It is a cyclic number.

It is not a de Polignac number, because 492240253457 - 222 = 492236059153 is a prime.

It is not a weakly prime, because it can be changed into another prime (492240253451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246120126728 + 246120126729.

It is an arithmetic number, because the mean of its divisors is an integer number (246120126729).

Almost surely, 2492240253457 is an apocalyptic number.

It is an amenable number.

492240253457 is a deficient number, since it is larger than the sum of its proper divisors (1).

492240253457 is an equidigital number, since it uses as much as digits as its factorization.

492240253457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 492240253457 in words is "four hundred ninety-two billion, two hundred forty million, two hundred fifty-three thousand, four hundred fifty-seven".