1437104656849 has 3 divisors (see below), whose sum is σ = 1437105855643. Its totient is φ = 1437103458056.

The previous prime is 1437104656843. The next prime is 1437104656903. The reversal of 1437104656849 is 9486564017341.

The square root of 1437104656849 is 1198793.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 995634774225 + 441469882624 = 997815^2 + 664432^2 .

It is not a de Polignac number, because 1437104656849 - 2⁵ = 1437104656817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1437104656793 and 1437104656802.

It is not an unprimeable number, because it can be changed into a prime (1437104656843) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 599397 + ... + 1798189.

Almost surely, 2^{1437104656849} is an apocalyptic number.

1437104656849 is the 1198793-rd square number.

1437104656849 is the 599397-th centered octagonal number.

It is an amenable number.

1437104656849 is a deficient number, since it is larger than the sum of its proper divisors (1198794).

1437104656849 is an frugal number, since it uses more digits than its factorization.

1437104656849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397586 (or 1198793 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 1437104656849 in words is "one trillion, four hundred thirty-seven billion, one hundred four million, six hundred fifty-six thousand, eight hundred forty-nine".