1337826011997 has 4 divisors (see below), whose sum is σ = 1783768016000. Its totient is φ = 891884007996.

The previous prime is 1337826011959. The next prime is 1337826012013. The reversal of 1337826011997 is 7991106287331.

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 not a de Polignac number, because 1337826011997 - 2¹⁹ = 1337825487709 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 (1337826011917) 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, 222971001997 + ... + 222971002002.

It is an arithmetic number, because the mean of its divisors is an integer number (445942004000).

Almost surely, 2^{1337826011997} is an apocalyptic number.

It is an amenable number.

1337826011997 is a deficient number, since it is larger than the sum of its proper divisors (445942004003).

1337826011997 is an equidigital number, since it uses as much as digits as its factorization.

1337826011997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445942004002.

The product of its (nonzero) digits is 3429216, while the sum is 57.

The spelling of 1337826011997 in words is "one trillion, three hundred thirty-seven billion, eight hundred twenty-six million, eleven thousand, nine hundred ninety-seven".