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6912995136431 is a prime number
BaseRepresentation
bin110010010011000111010…
…0111101001001110101111
3220110212122111221222000212
41210212032213221032233
51401230303223331211
622411441445213035
71312306315061636
oct144461647511657
926425574858025
106912995136431
11222586a59561a
1293795010117b
133b1b7b1a6c37
1419c83b03651d
15bec522a538b
hex6498e9e93af

6912995136431 has 2 divisors, whose sum is σ = 6912995136432. Its totient is φ = 6912995136430.

The previous prime is 6912995136391. The next prime is 6912995136457. The reversal of 6912995136431 is 1346315992196.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6912995136431 is a prime.

It is a super-4 number, since 4×69129951364314 (a number of 52 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6912995136731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3456497568215 + 3456497568216.

It is an arithmetic number, because the mean of its divisors is an integer number (3456497568216).

Almost surely, 26912995136431 is an apocalyptic number.

6912995136431 is a deficient number, since it is larger than the sum of its proper divisors (1).

6912995136431 is an equidigital number, since it uses as much as digits as its factorization.

6912995136431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9447840, while the sum is 59.

The spelling of 6912995136431 in words is "six trillion, nine hundred twelve billion, nine hundred ninety-five million, one hundred thirty-six thousand, four hundred thirty-one".