1349537638897 has 8 divisors (see below), whose sum is σ = 1542335814656. Its totient is φ = 1156741234272.

The previous prime is 1349537638871. The next prime is 1349537638919. The reversal of 1349537638897 is 7988367359431.

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 1349537638897 - 2¹⁹ = 1349537114609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1349537638817) 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, 2449648 + ... + 2949550.

It is an arithmetic number, because the mean of its divisors is an integer number (192791976832).

Almost surely, 2^{1349537638897} is an apocalyptic number.

It is an amenable number.

1349537638897 is a deficient number, since it is larger than the sum of its proper divisors (192798175759).

1349537638897 is an equidigital number, since it uses as much as digits as its factorization.

1349537638897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885567.

The product of its digits is 823011840, while the sum is 73.

The spelling of 1349537638897 in words is "one trillion, three hundred forty-nine billion, five hundred thirty-seven million, six hundred thirty-eight thousand, eight hundred ninety-seven".