1382973797 has 8 divisors (see below), whose sum is σ = 1401120600. Its totient is φ = 1364926464.

The previous prime is 1382973793. The next prime is 1382973811. The reversal of 1382973797 is 7973792831.

It can be written as a sum of positive squares in 4 ways, for example, as 501715201 + 881258596 = 22399^2 + 29686^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1382973797 - 2² = 1382973793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382973793) 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, 3329 + ... + 52697.

It is an arithmetic number, because the mean of its divisors is an integer number (175140075).

Almost surely, 2^1382973797 is an apocalyptic number.

It is an amenable number.

1382973797 is a deficient number, since it is larger than the sum of its proper divisors (18146803).

1382973797 is a wasteful number, since it uses less digits than its factorization.

1382973797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49735.

The product of its digits is 4000752, while the sum is 56.

The square root of 1382973797 is about 37188.3556641054. The cubic root of 1382973797 is about 1114.1354266261.

The spelling of 1382973797 in words is "one billion, three hundred eighty-two million, nine hundred seventy-three thousand, seven hundred ninety-seven".