10508061650 has 24 divisors (see below), whose sum is σ = 19812741204. Its totient is φ = 4145644800.

The previous prime is 10508061583. The next prime is 10508061659. The reversal of 10508061650 is 5616080501.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3380143321 + 7127918329 = 58139^2 + 84427^2 .

It is a super-2 number, since 2×10508061650² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10508061659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1435811 + ... + 1443110.

Almost surely, 2^10508061650 is an apocalyptic number.

10508061650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10508061650 is a deficient number, since it is larger than the sum of its proper divisors (9304679554).

10508061650 is a wasteful number, since it uses less digits than its factorization.

10508061650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2879006 (or 2879001 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 10508061650 in words is "ten billion, five hundred eight million, sixty-one thousand, six hundred fifty".