10638245950 has 48 divisors (see below), whose sum is σ = 20147460480. Its totient is φ = 4178300000.

The previous prime is 10638245929. The next prime is 10638245951. The reversal of 10638245950 is 5954283601.

It is a super-2 number, since 2×10638245950² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10638245897 and 10638245906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10638245951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 885081 + ... + 897019.

It is an arithmetic number, because the mean of its divisors is an integer number (419738760).

Almost surely, 2^10638245950 is an apocalyptic number.

10638245950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10638245950 is a deficient number, since it is larger than the sum of its proper divisors (9509214530).

10638245950 is a wasteful number, since it uses less digits than its factorization.

10638245950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12273 (or 12268 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 10638245950 in words is "ten billion, six hundred thirty-eight million, two hundred forty-five thousand, nine hundred fifty".