48900999969 has 28 divisors (see below), whose sum is σ = 73336159716. Its totient is φ = 32592575232.

The previous prime is 48900999907. The next prime is 48900999971. The reversal of 48900999969 is 96999900984.

It can be written as a sum of positive squares in 2 ways, for example, as 31218649344 + 17682350625 = 176688^2 + 132975^2 .

It is not a de Polignac number, because 48900999969 - 2¹¹ = 48900997921 is a prime.

It is a super-2 number, since 2×48900999969² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 48900999897 and 48900999906.

It is not an unprimeable number, because it can be changed into a prime (48900999869) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 4976349 + ... + 4986165.

Almost surely, 2^48900999969 is an apocalyptic number.

It is an amenable number.

48900999969 is a deficient number, since it is larger than the sum of its proper divisors (24435159747).

48900999969 is an frugal number, since it uses more digits than its factorization.

48900999969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16668 (or 16653 counting only the distinct ones).

The product of its (nonzero) digits is 102036672, while the sum is 72.

The spelling of 48900999969 in words is "forty-eight billion, nine hundred million, nine hundred ninety-nine thousand, nine hundred sixty-nine".