1380022849 has 4 divisors (see below), whose sum is σ = 1385521200. Its totient is φ = 1374524500.

The previous prime is 1380022837. The next prime is 1380022867. The reversal of 1380022849 is 9482200831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1380022849 - 2¹⁵ = 1379990081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1380022829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2748799 + ... + 2749300.

It is an arithmetic number, because the mean of its divisors is an integer number (346380300).

Almost surely, 2^1380022849 is an apocalyptic number.

It is an amenable number.

1380022849 is a deficient number, since it is larger than the sum of its proper divisors (5498351).

1380022849 is an equidigital number, since it uses as much as digits as its factorization.

1380022849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5498350.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 1380022849 is about 37148.6587779424. The cubic root of 1380022849 is about 1113.3424260814.

The spelling of 1380022849 in words is "one billion, three hundred eighty million, twenty-two thousand, eight hundred forty-nine".