3146249129 has 2 divisors, whose sum is σ = 3146249130. Its totient is φ = 3146249128.

The previous prime is 3146249087. The next prime is 3146249131. The reversal of 3146249129 is 9219426413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3122239129 + 24010000 = 55877^2 + 4900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3146249129 is a prime.

Together with 3146249131, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3146249429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1573124564 + 1573124565.

It is an arithmetic number, because the mean of its divisors is an integer number (1573124565).

Almost surely, 2^3146249129 is an apocalyptic number.

It is an amenable number.

3146249129 is a deficient number, since it is larger than the sum of its proper divisors (1).

3146249129 is an equidigital number, since it uses as much as digits as its factorization.

3146249129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 41.

The square root of 3146249129 is about 56091.4354335847. The cubic root of 3146249129 is about 1465.3151374303.

The spelling of 3146249129 in words is "three billion, one hundred forty-six million, two hundred forty-nine thousand, one hundred twenty-nine".