6940348819 has 2 divisors, whose sum is σ = 6940348820. Its totient is φ = 6940348818.

The previous prime is 6940348729. The next prime is 6940348873. The reversal of 6940348819 is 9188430496.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6940348819 - 2²⁷ = 6806131091 is a prime.

It is a super-2 number, since 2×6940348819² = 96336883458789389522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6040348819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3470174409 + 3470174410.

It is an arithmetic number, because the mean of its divisors is an integer number (3470174410).

Almost surely, 2^6940348819 is an apocalyptic number.

6940348819 is a deficient number, since it is larger than the sum of its proper divisors (1).

6940348819 is an equidigital number, since it uses as much as digits as its factorization.

6940348819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The square root of 6940348819 is about 83308.7559563819. The cubic root of 6940348819 is about 1907.4819315016.

The spelling of 6940348819 in words is "six billion, nine hundred forty million, three hundred forty-eight thousand, eight hundred nineteen".