1380219969 has 8 divisors (see below), whose sum is σ = 1842395200. Its totient is φ = 919095696.

The previous prime is 1380219961. The next prime is 1380220013. The reversal of 1380219969 is 9699120831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1380219969 - 2³ = 1380219961 is a prime.

It is a super-2 number, since 2×1380219969² = 3810014325652721922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1380219961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259669 + ... + 264930.

It is an arithmetic number, because the mean of its divisors is an integer number (230299400).

Almost surely, 2^1380219969 is an apocalyptic number.

It is an amenable number.

1380219969 is a deficient number, since it is larger than the sum of its proper divisors (462175231).

1380219969 is an equidigital number, since it uses as much as digits as its factorization.

1380219969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525479.

The product of its (nonzero) digits is 209952, while the sum is 48.

The square root of 1380219969 is about 37151.3118072566. The cubic root of 1380219969 is about 1113.3954328392.

The spelling of 1380219969 in words is "one billion, three hundred eighty million, two hundred nineteen thousand, nine hundred sixty-nine".