3155389401 has 4 divisors (see below), whose sum is σ = 4207185872. Its totient is φ = 2103592932.

The previous prime is 3155389387. The next prime is 3155389409. The reversal of 3155389401 is 1049835513.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3155389401 - 2⁹ = 3155388889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3155389401.

It is not an unprimeable number, because it can be changed into a prime (3155389409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525898231 + ... + 525898236.

It is an arithmetic number, because the mean of its divisors is an integer number (1051796468).

Almost surely, 2^3155389401 is an apocalyptic number.

It is an amenable number.

3155389401 is a deficient number, since it is larger than the sum of its proper divisors (1051796471).

3155389401 is a wasteful number, since it uses less digits than its factorization.

3155389401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051796470.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 3155389401 is about 56172.8528828650. The cubic root of 3155389401 is about 1466.7327439640.

The spelling of 3155389401 in words is "three billion, one hundred fifty-five million, three hundred eighty-nine thousand, four hundred one".