6949154943 has 32 divisors (see below), whose sum is σ = 11041401600. Its totient is φ = 4306112928.

The previous prime is 6949154939. The next prime is 6949154987. The reversal of 6949154943 is 3494519496.

It is a happy number.

6949154943 is a `hidden beast` number, since 6 + 9 + 4 + 91 + 549 + 4 + 3 = 666.

It is not a de Polignac number, because 6949154943 - 2² = 6949154939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6949154943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6949153943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100605 + ... + 154982.

It is an arithmetic number, because the mean of its divisors is an integer number (345043800).

Almost surely, 2^6949154943 is an apocalyptic number.

6949154943 is a deficient number, since it is larger than the sum of its proper divisors (4092246657).

6949154943 is a wasteful number, since it uses less digits than its factorization.

6949154943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255668 (or 255662 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 6949154943 is about 83361.5915335114. The cubic root of 6949154943 is about 1908.2883474065.

The spelling of 6949154943 in words is "six billion, nine hundred forty-nine million, one hundred fifty-four thousand, nine hundred forty-three".