4156956897 has 8 divisors (see below), whose sum is σ = 5647186944. Its totient is φ = 2719015728.

The previous prime is 4156956893. The next prime is 4156956901. The reversal of 4156956897 is 7986596514.

4156956897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4156956893) and next prime (4156956901).

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

It is not a de Polignac number, because 4156956897 - 2² = 4156956893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4156956897.

It is not an unprimeable number, because it can be changed into a prime (4156956893) 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, 13072033 + ... + 13072350.

It is an arithmetic number, because the mean of its divisors is an integer number (705898368).

Almost surely, 2^4156956897 is an apocalyptic number.

It is an amenable number.

4156956897 is a deficient number, since it is larger than the sum of its proper divisors (1490230047).

4156956897 is a wasteful number, since it uses less digits than its factorization.

4156956897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26144439.

The product of its digits is 16329600, while the sum is 60.

The square root of 4156956897 is about 64474.4670160212. The cubic root of 4156956897 is about 1607.8980448679.

The spelling of 4156956897 in words is "four billion, one hundred fifty-six million, nine hundred fifty-six thousand, eight hundred ninety-seven".