1372745219 has 2 divisors, whose sum is σ = 1372745220. Its totient is φ = 1372745218.

The previous prime is 1372745207. The next prime is 1372745221. The reversal of 1372745219 is 9125472731.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1372745219 - 2⁴ = 1372745203 is a prime.

It is a super-2 number, since 2×1372745219² = 3768858872574715922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1372745221, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1372745249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686372609 + 686372610.

It is an arithmetic number, because the mean of its divisors is an integer number (686372610).

Almost surely, 2^1372745219 is an apocalyptic number.

1372745219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372745219 is an equidigital number, since it uses as much as digits as its factorization.

1372745219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 41.

The square root of 1372745219 is about 37050.5765002382. The cubic root of 1372745219 is about 1111.3818838793.

The spelling of 1372745219 in words is "one billion, three hundred seventy-two million, seven hundred forty-five thousand, two hundred nineteen".