1352746649 has 2 divisors, whose sum is σ = 1352746650. Its totient is φ = 1352746648.

The previous prime is 1352746639. The next prime is 1352746651. The reversal of 1352746649 is 9466472531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 812649049 + 540097600 = 28507^2 + 23240^2 .

It is a cyclic number.

It is not a de Polignac number, because 1352746649 - 2²⁴ = 1335969433 is a prime.

Together with 1352746651, 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 (1352746639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676373324 + 676373325.

It is an arithmetic number, because the mean of its divisors is an integer number (676373325).

Almost surely, 2^1352746649 is an apocalyptic number.

It is an amenable number.

1352746649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352746649 is an equidigital number, since it uses as much as digits as its factorization.

1352746649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 47.

The square root of 1352746649 is about 36779.7043082187. The cubic root of 1352746649 is about 1105.9584782440.

The spelling of 1352746649 in words is "one billion, three hundred fifty-two million, seven hundred forty-six thousand, six hundred forty-nine".