10049989445 has 18 divisors (see below), whose sum is σ = 12202874502. Its totient is φ = 7945842256.

The previous prime is 10049989429. The next prime is 10049989507. The reversal of 10049989445 is 54498994001.

It can be written as a sum of positive squares in only one way, i.e., 8039991556 + 2009997889 = 89666^2 + 44833^2 .

It is not a de Polignac number, because 10049989445 - 2⁴ = 10049989429 is a prime.

It is a super-3 number, since 3×10049989445³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23985446 + ... + 23985864.

Almost surely, 2^10049989445 is an apocalyptic number.

It is an amenable number.

10049989445 is a deficient number, since it is larger than the sum of its proper divisors (2152885057).

10049989445 is an frugal number, since it uses more digits than its factorization.

10049989445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 10049989445 in words is "ten billion, forty-nine million, nine hundred eighty-nine thousand, four hundred forty-five".