1049899959673 has 2 divisors, whose sum is σ = 1049899959674. Its totient is φ = 1049899959672.

The previous prime is 1049899959643. The next prime is 1049899959727. The reversal of 1049899959673 is 3769599989401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 995548963984 + 54350995689 = 997772^2 + 233133^2 .

It is a cyclic number.

It is not a de Polignac number, because 1049899959673 - 2²¹ = 1049897862521 is a prime.

It is a super-2 number, since 2×1049899959673² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1049899959593 and 1049899959602.

It is not a weakly prime, because it can be changed into another prime (1049899959643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524949979836 + 524949979837.

It is an arithmetic number, because the mean of its divisors is an integer number (524949979837).

Almost surely, 2^{1049899959673} is an apocalyptic number.

It is an amenable number.

1049899959673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1049899959673 is an equidigital number, since it uses as much as digits as its factorization.

1049899959673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1190427840, while the sum is 79.

The spelling of 1049899959673 in words is "one trillion, forty-nine billion, eight hundred ninety-nine million, nine hundred fifty-nine thousand, six hundred seventy-three".