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34989688631 is a prime number
BaseRepresentation
bin100000100101100011…
…000100011100110111
310100022111021100101202
4200211203010130313
51033124330014011
624023554243115
72346035306012
oct404543043467
9110274240352
1034989688631
1113925848a47
126945b8649b
1333b8053491
14199cdc4379
15d9bbe523b
hex8258c4737

34989688631 has 2 divisors, whose sum is σ = 34989688632. Its totient is φ = 34989688630.

The previous prime is 34989688549. The next prime is 34989688651. The reversal of 34989688631 is 13688698943.

It is a strong prime.

It is an emirp because it is prime and its reverse (13688698943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34989688631 - 214 = 34989672247 is a prime.

It is a super-2 number, since 2×349896886312 (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 (34989688651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17494844315 + 17494844316.

It is an arithmetic number, because the mean of its divisors is an integer number (17494844316).

Almost surely, 234989688631 is an apocalyptic number.

34989688631 is a deficient number, since it is larger than the sum of its proper divisors (1).

34989688631 is an equidigital number, since it uses as much as digits as its factorization.

34989688631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53747712, while the sum is 65.

The spelling of 34989688631 in words is "thirty-four billion, nine hundred eighty-nine million, six hundred eighty-eight thousand, six hundred thirty-one".