3174949861 has 2 divisors, whose sum is σ = 3174949862. Its totient is φ = 3174949860.

The previous prime is 3174949853. The next prime is 3174949891. The reversal of 3174949861 is 1689494713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1864944225 + 1310005636 = 43185^2 + 36194^2 .

It is a cyclic number.

It is not a de Polignac number, because 3174949861 - 2³ = 3174949853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3174949799 and 3174949808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3174949891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1587474930 + 1587474931.

It is an arithmetic number, because the mean of its divisors is an integer number (1587474931).

Almost surely, 2^3174949861 is an apocalyptic number.

It is an amenable number.

3174949861 is a deficient number, since it is larger than the sum of its proper divisors (1).

3174949861 is an equidigital number, since it uses as much as digits as its factorization.

3174949861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 52.

The square root of 3174949861 is about 56346.6934344865. The cubic root of 3174949861 is about 1469.7572926767.

The spelling of 3174949861 in words is "three billion, one hundred seventy-four million, nine hundred forty-nine thousand, eight hundred sixty-one".