1219970363 has 2 divisors, whose sum is σ = 1219970364. Its totient is φ = 1219970362.

The previous prime is 1219970359. The next prime is 1219970407. The reversal of 1219970363 is 3630799121.

It is a weak prime.

It is an emirp because it is prime and its reverse (3630799121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1219970363 - 2² = 1219970359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1219970363.

It is not a weakly prime, because it can be changed into another prime (1219970263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 609985181 + 609985182.

It is an arithmetic number, because the mean of its divisors is an integer number (609985182).

Almost surely, 2^1219970363 is an apocalyptic number.

1219970363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1219970363 is an equidigital number, since it uses as much as digits as its factorization.

1219970363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 1219970363 is about 34928.0741381485. The cubic root of 1219970363 is about 1068.5210776155.

The spelling of 1219970363 in words is "one billion, two hundred nineteen million, nine hundred seventy thousand, three hundred sixty-three".