1348531949 has 2 divisors, whose sum is σ = 1348531950. Its totient is φ = 1348531948.

The previous prime is 1348531939. The next prime is 1348531967. The reversal of 1348531949 is 9491358431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1100248900 + 248283049 = 33170^2 + 15757^2 .

It is a cyclic number.

It is not a de Polignac number, because 1348531949 - 2⁸ = 1348531693 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1348531909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674265974 + 674265975.

It is an arithmetic number, because the mean of its divisors is an integer number (674265975).

Almost surely, 2^1348531949 is an apocalyptic number.

It is an amenable number.

1348531949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1348531949 is an equidigital number, since it uses as much as digits as its factorization.

1348531949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 47.

The square root of 1348531949 is about 36722.3630639424. The cubic root of 1348531949 is about 1104.8086860560.

The spelling of 1348531949 in words is "one billion, three hundred forty-eight million, five hundred thirty-one thousand, nine hundred forty-nine".