1969133401 has 2 divisors, whose sum is σ = 1969133402. Its totient is φ = 1969133400.

The previous prime is 1969133329. The next prime is 1969133429. The reversal of 1969133401 is 1043319691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1452753225 + 516380176 = 38115^2 + 22724^2 .

It is an emirp because it is prime and its reverse (1043319691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1969133401 - 2⁹ = 1969132889 is a prime.

It is not a weakly prime, because it can be changed into another prime (1999133401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 984566700 + 984566701.

It is an arithmetic number, because the mean of its divisors is an integer number (984566701).

Almost surely, 2^1969133401 is an apocalyptic number.

It is an amenable number.

1969133401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1969133401 is an equidigital number, since it uses as much as digits as its factorization.

1969133401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 1969133401 is about 44374.9186027422. The cubic root of 1969133401 is about 1253.4058373362.

The spelling of 1969133401 in words is "one billion, nine hundred sixty-nine million, one hundred thirty-three thousand, four hundred one".