3955143457 has 8 divisors (see below), whose sum is σ = 4128255360. Its totient is φ = 3782127360.

The previous prime is 3955143421. The next prime is 3955143461. The reversal of 3955143457 is 7543415593.

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

It is a de Polignac number, because none of the positive numbers 2^k-3955143457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3955143487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67969 + ... + 111937.

It is an arithmetic number, because the mean of its divisors is an integer number (516031920).

Almost surely, 2^3955143457 is an apocalyptic number.

It is an amenable number.

3955143457 is a deficient number, since it is larger than the sum of its proper divisors (173111903).

3955143457 is a wasteful number, since it uses less digits than its factorization.

3955143457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47903.

The product of its digits is 1134000, while the sum is 46.

The square root of 3955143457 is about 62889.9312847454. The cubic root of 3955143457 is about 1581.4449550500. Note that the first 3 decimals are identical.

The spelling of 3955143457 in words is "three billion, nine hundred fifty-five million, one hundred forty-three thousand, four hundred fifty-seven".