1358783969 has 2 divisors, whose sum is σ = 1358783970. Its totient is φ = 1358783968.

The previous prime is 1358783941. The next prime is 1358783999. The reversal of 1358783969 is 9693878531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1119772369 + 239011600 = 33463^2 + 15460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1358783969 is a prime.

It is a super-2 number, since 2×1358783969² = 3692587748822785922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1358783999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 679391984 + 679391985.

It is an arithmetic number, because the mean of its divisors is an integer number (679391985).

Almost surely, 2^1358783969 is an apocalyptic number.

It is an amenable number.

1358783969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1358783969 is an equidigital number, since it uses as much as digits as its factorization.

1358783969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9797760, while the sum is 59.

The square root of 1358783969 is about 36861.6870069724. The cubic root of 1358783969 is about 1107.6013373838.

The spelling of 1358783969 in words is "one billion, three hundred fifty-eight million, seven hundred eighty-three thousand, nine hundred sixty-nine".