1335461749 has 2 divisors, whose sum is σ = 1335461750. Its totient is φ = 1335461748.

The previous prime is 1335461747. The next prime is 1335461761. The reversal of 1335461749 is 9471645331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 922640625 + 412821124 = 30375^2 + 20318^2 .

It is a cyclic number.

It is not a de Polignac number, because 1335461749 - 2¹ = 1335461747 is a prime.

Together with 1335461747, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1335461747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 667730874 + 667730875.

It is an arithmetic number, because the mean of its divisors is an integer number (667730875).

Almost surely, 2^1335461749 is an apocalyptic number.

It is an amenable number.

1335461749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1335461749 is an equidigital number, since it uses as much as digits as its factorization.

1335461749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 43.

The square root of 1335461749 is about 36543.9700771550. The cubic root of 1335461749 is about 1101.2277610849.

The spelling of 1335461749 in words is "one billion, three hundred thirty-five million, four hundred sixty-one thousand, seven hundred forty-nine".