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45968646397 is a prime number
BaseRepresentation
bin101010110011111100…
…011110000011111101
311101122122010012010011
4222303330132003331
51223120433141042
633041231343221
73215101022152
oct526374360375
9141578105104
1045968646397
111854a114463
128aaa981b11
1344477c11ab
142321178229
1512e09c9a17
hexab3f1e0fd

45968646397 has 2 divisors, whose sum is σ = 45968646398. Its totient is φ = 45968646396.

The previous prime is 45968646371. The next prime is 45968646419. The reversal of 45968646397 is 79364686954.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45757060281 + 211586116 = 213909^2 + 14546^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45968646397 is a prime.

It is a super-2 number, since 2×459686463972 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45968646197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22984323198 + 22984323199.

It is an arithmetic number, because the mean of its divisors is an integer number (22984323199).

Almost surely, 245968646397 is an apocalyptic number.

It is an amenable number.

45968646397 is a deficient number, since it is larger than the sum of its proper divisors (1).

45968646397 is an equidigital number, since it uses as much as digits as its factorization.

45968646397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235146240, while the sum is 67.

The spelling of 45968646397 in words is "forty-five billion, nine hundred sixty-eight million, six hundred forty-six thousand, three hundred ninety-seven".