6941350991 has 2 divisors, whose sum is σ = 6941350992. Its totient is φ = 6941350990.

The previous prime is 6941350931. The next prime is 6941351009. The reversal of 6941350991 is 1990531496.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6941350991 - 2¹⁰ = 6941349967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6941350901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3470675495 + 3470675496.

It is an arithmetic number, because the mean of its divisors is an integer number (3470675496).

Almost surely, 2^6941350991 is an apocalyptic number.

6941350991 is a deficient number, since it is larger than the sum of its proper divisors (1).

6941350991 is an equidigital number, since it uses as much as digits as its factorization.

6941350991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 47.

The square root of 6941350991 is about 83314.7705452040. The cubic root of 6941350991 is about 1907.5737392300.

The spelling of 6941350991 in words is "six billion, nine hundred forty-one million, three hundred fifty thousand, nine hundred ninety-one".