3154856609 has 2 divisors, whose sum is σ = 3154856610. Its totient is φ = 3154856608.

The previous prime is 3154856599. The next prime is 3154856629. The reversal of 3154856609 is 9066584513.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3019832209 + 135024400 = 54953^2 + 11620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3154856609 is a prime.

It is not a weakly prime, because it can be changed into another prime (3154856629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1577428304 + 1577428305.

It is an arithmetic number, because the mean of its divisors is an integer number (1577428305).

Almost surely, 2^3154856609 is an apocalyptic number.

It is an amenable number.

3154856609 is a deficient number, since it is larger than the sum of its proper divisors (1).

3154856609 is an equidigital number, since it uses as much as digits as its factorization.

3154856609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 47.

The square root of 3154856609 is about 56168.1102495001. The cubic root of 3154856609 is about 1466.6501860120.

The spelling of 3154856609 in words is "three billion, one hundred fifty-four million, eight hundred fifty-six thousand, six hundred nine".