1353956969 has 2 divisors, whose sum is σ = 1353956970. Its totient is φ = 1353956968.

The previous prime is 1353956963. The next prime is 1353956977. The reversal of 1353956969 is 9696593531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 776179600 + 577777369 = 27860^2 + 24037^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1353956969 is a prime.

It is a super-2 number, since 2×1353956969² = 3666398947807333922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1353956963) 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, 676978484 + 676978485.

It is an arithmetic number, because the mean of its divisors is an integer number (676978485).

Almost surely, 2^1353956969 is an apocalyptic number.

It is an amenable number.

1353956969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353956969 is an equidigital number, since it uses as much as digits as its factorization.

1353956969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5904900, while the sum is 56.

The square root of 1353956969 is about 36796.1542691624. The cubic root of 1353956969 is about 1106.2882183951.

The spelling of 1353956969 in words is "one billion, three hundred fifty-three million, nine hundred fifty-six thousand, nine hundred sixty-nine".