6920294387 has 2 divisors, whose sum is σ = 6920294388. Its totient is φ = 6920294386.

The previous prime is 6920294383. The next prime is 6920294401. The reversal of 6920294387 is 7834920296.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6920294387 - 2² = 6920294383 is a prime.

It is a super-3 number, since 3×6920294387³ (a number of 30 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (6920294383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3460147193 + 3460147194.

It is an arithmetic number, because the mean of its divisors is an integer number (3460147194).

Almost surely, 2^6920294387 is an apocalyptic number.

6920294387 is a deficient number, since it is larger than the sum of its proper divisors (1).

6920294387 is an equidigital number, since it uses as much as digits as its factorization.

6920294387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 6920294387 is about 83188.3067924814. The cubic root of 6920294387 is about 1905.6429090955.

The spelling of 6920294387 in words is "six billion, nine hundred twenty million, two hundred ninety-four thousand, three hundred eighty-seven".