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3968888653 is a prime number
BaseRepresentation
bin1110110010010000…
…0110111101001101
3101020121011102201001
43230210012331031
531112013414103
61453455020301
7200231665642
oct35444067515
911217142631
103968888653
111757374874
1292920a691
134b334a932
14299175dc9
1518367c01d
hexec906f4d

3968888653 has 2 divisors, whose sum is σ = 3968888654. Its totient is φ = 3968888652.

The previous prime is 3968888617. The next prime is 3968888659. The reversal of 3968888653 is 3568888693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3962324809 + 6563844 = 62947^2 + 2562^2 .

It is a cyclic number.

It is not a de Polignac number, because 3968888653 - 221 = 3966791501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3968888659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1984444326 + 1984444327.

It is an arithmetic number, because the mean of its divisors is an integer number (1984444327).

Almost surely, 23968888653 is an apocalyptic number.

It is an amenable number.

3968888653 is a deficient number, since it is larger than the sum of its proper divisors (1).

3968888653 is an equidigital number, since it uses as much as digits as its factorization.

3968888653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 59719680, while the sum is 64.

The square root of 3968888653 is about 62999.1162874528. The cubic root of 3968888653 is about 1583.2748202741.

The spelling of 3968888653 in words is "three billion, nine hundred sixty-eight million, eight hundred eighty-eight thousand, six hundred fifty-three".