1437908805049 has 2 divisors, whose sum is σ = 1437908805050. Its totient is φ = 1437908805048.

The previous prime is 1437908805037. The next prime is 1437908805071. The reversal of 1437908805049 is 9405088097341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1361580929424 + 76327875625 = 1166868^2 + 276275^2 .

It is a cyclic number.

It is not a de Polignac number, because 1437908805049 - 2⁵ = 1437908805017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1437908804984 and 1437908805002.

It is not a weakly prime, because it can be changed into another prime (1437908805449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 718954402524 + 718954402525.

It is an arithmetic number, because the mean of its divisors is an integer number (718954402525).

Almost surely, 2^{1437908805049} is an apocalyptic number.

It is an amenable number.

1437908805049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1437908805049 is an equidigital number, since it uses as much as digits as its factorization.

1437908805049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 1437908805049 in words is "one trillion, four hundred thirty-seven billion, nine hundred eight million, eight hundred five thousand, forty-nine".