Search a number
-
+
6961054439 is a prime number
BaseRepresentation
bin1100111101110100…
…10100001011100111
3122222010110012112002
412132322110023213
5103224012220224
63110423315515
7334333662233
oct63672241347
918863405462
106961054439
112a52374259
1214232abb9b
1386c21b331
144a06dd5c3
152ab1c49ae
hex19ee942e7

6961054439 has 2 divisors, whose sum is σ = 6961054440. Its totient is φ = 6961054438.

The previous prime is 6961054421. The next prime is 6961054483. The reversal of 6961054439 is 9344501696.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6961054439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6961054393 and 6961054402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6961054409) 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, 3480527219 + 3480527220.

It is an arithmetic number, because the mean of its divisors is an integer number (3480527220).

Almost surely, 26961054439 is an apocalyptic number.

6961054439 is a deficient number, since it is larger than the sum of its proper divisors (1).

6961054439 is an equidigital number, since it uses as much as digits as its factorization.

6961054439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 6961054439 is about 83432.9337791738. The cubic root of 6961054439 is about 1909.3769555792.

The spelling of 6961054439 in words is "six billion, nine hundred sixty-one million, fifty-four thousand, four hundred thirty-nine".