1397675049 has 8 divisors (see below), whose sum is σ = 1903217280. Its totient is φ = 911958096.

The previous prime is 1397675047. The next prime is 1397675051. The reversal of 1397675049 is 9405767931.

It is an interprime number because it is at equal distance from previous prime (1397675047) and next prime (1397675051).

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

It is not a de Polignac number, because 1397675049 - 2¹ = 1397675047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1397674992 and 1397675010.

It is not an unprimeable number, because it can be changed into a prime (1397675047) 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, 4956154 + ... + 4956435.

It is an arithmetic number, because the mean of its divisors is an integer number (237902160).

Almost surely, 2^1397675049 is an apocalyptic number.

It is an amenable number.

1397675049 is a deficient number, since it is larger than the sum of its proper divisors (505542231).

1397675049 is an equidigital number, since it uses as much as digits as its factorization.

1397675049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9912639.

The product of its (nonzero) digits is 1428840, while the sum is 51.

The square root of 1397675049 is about 37385.4924937468. The cubic root of 1397675049 is about 1118.0693377823.

The spelling of 1397675049 in words is "one billion, three hundred ninety-seven million, six hundred seventy-five thousand, forty-nine".