6940900867 has 2 divisors, whose sum is σ = 6940900868. Its totient is φ = 6940900866.

The previous prime is 6940900843. The next prime is 6940900871. The reversal of 6940900867 is 7680090496.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6940900867 - 2¹¹ = 6940898819 is a prime.

It is a super-2 number, since 2×6940900867² = 96352209691042703378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6940900867.

It is not a weakly prime, because it can be changed into another prime (6940900807) 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, 3470450433 + 3470450434.

It is an arithmetic number, because the mean of its divisors is an integer number (3470450434).

Almost surely, 2^6940900867 is an apocalyptic number.

6940900867 is a deficient number, since it is larger than the sum of its proper divisors (1).

6940900867 is an equidigital number, since it uses as much as digits as its factorization.

6940900867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 6940900867 is about 83312.0691556752. The cubic root of 6940900867 is about 1907.5325050244.

The spelling of 6940900867 in words is "six billion, nine hundred forty million, nine hundred thousand, eight hundred sixty-seven".