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99109922969 is a prime number
BaseRepresentation
bin101110001001101101…
…0010110100010011001
3100110211010210202002202
41130103122112202121
53110434120013334
6113310325335545
710106015305511
oct1342332264231
9313733722082
1099109922969
1139039a71052
121725b8675b5
1394662ab845
144b22b68841
1528a101d17e
hex1713696899

99109922969 has 2 divisors, whose sum is σ = 99109922970. Its totient is φ = 99109922968.

The previous prime is 99109922953. The next prime is 99109922987. The reversal of 99109922969 is 96922990199.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94679290000 + 4430632969 = 307700^2 + 66563^2 .

It is a cyclic number.

It is not a de Polignac number, because 99109922969 - 24 = 99109922953 is a prime.

It is a super-2 number, since 2×991099229692 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99109922929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49554961484 + 49554961485.

It is an arithmetic number, because the mean of its divisors is an integer number (49554961485).

Almost surely, 299109922969 is an apocalyptic number.

It is an amenable number.

99109922969 is a deficient number, since it is larger than the sum of its proper divisors (1).

99109922969 is an equidigital number, since it uses as much as digits as its factorization.

99109922969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12754584, while the sum is 65.

The spelling of 99109922969 in words is "ninety-nine billion, one hundred nine million, nine hundred twenty-two thousand, nine hundred sixty-nine".