1969348061 has 2 divisors, whose sum is σ = 1969348062. Its totient is φ = 1969348060.

The previous prime is 1969348027. The next prime is 1969348097. The reversal of 1969348061 is 1608439691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1712387161 + 256960900 = 41381^2 + 16030^2 .

It is a cyclic number.

It is not a de Polignac number, because 1969348061 - 2³⁰ = 895606237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1969347997 and 1969348015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1969344061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 984674030 + 984674031.

It is an arithmetic number, because the mean of its divisors is an integer number (984674031).

Almost surely, 2^1969348061 is an apocalyptic number.

It is an amenable number.

1969348061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1969348061 is an equidigital number, since it uses as much as digits as its factorization.

1969348061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 1969348061 is about 44377.3372454905. The cubic root of 1969348061 is about 1253.4513812830.

The spelling of 1969348061 in words is "one billion, nine hundred sixty-nine million, three hundred forty-eight thousand, sixty-one".