3148977361 has 4 divisors (see below), whose sum is σ = 3155779072. Its totient is φ = 3142175652.

The previous prime is 3148977353. The next prime is 3148977413. The reversal of 3148977361 is 1637798413.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1637798413 = 83 ⋅19732511.

It is a cyclic number.

It is not a de Polignac number, because 3148977361 - 2³ = 3148977353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3148977301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3400161 + ... + 3401086.

It is an arithmetic number, because the mean of its divisors is an integer number (788944768).

Almost surely, 2^3148977361 is an apocalyptic number.

It is an amenable number.

3148977361 is a deficient number, since it is larger than the sum of its proper divisors (6801711).

3148977361 is an equidigital number, since it uses as much as digits as its factorization.

3148977361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6801710.

The product of its digits is 762048, while the sum is 49.

The square root of 3148977361 is about 56115.7496697674. The cubic root of 3148977361 is about 1465.7385585174.

The spelling of 3148977361 in words is "three billion, one hundred forty-eight million, nine hundred seventy-seven thousand, three hundred sixty-one".