6949043157 has 8 divisors (see below), whose sum is σ = 10589018176. Its totient is φ = 3970881792.

The previous prime is 6949043119. The next prime is 6949043273. The reversal of 6949043157 is 7513409496.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6949043157 - 2¹¹ = 6949041109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6949043117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165453388 + ... + 165453429.

It is an arithmetic number, because the mean of its divisors is an integer number (1323627272).

Almost surely, 2^6949043157 is an apocalyptic number.

It is an amenable number.

6949043157 is a deficient number, since it is larger than the sum of its proper divisors (3639975019).

6949043157 is a wasteful number, since it uses less digits than its factorization.

6949043157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330906827.

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 6949043157 is about 83360.9210421766. The cubic root of 6949043157 is about 1908.2781149362.

The spelling of 6949043157 in words is "six billion, nine hundred forty-nine million, forty-three thousand, one hundred fifty-seven".