10291091012 has 6 divisors (see below), whose sum is σ = 18009409278. Its totient is φ = 5145545504.

The previous prime is 10291090969. The next prime is 10291091017. The reversal of 10291091012 is 21019019201.

It can be written as a sum of positive squares in only one way, i.e., 10270606336 + 20484676 = 101344^2 + 4526^2 .

It is not an unprimeable number, because it can be changed into a prime (10291091017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286386373 + ... + 1286386380.

It is an arithmetic number, because the mean of its divisors is an integer number (3001568213).

Almost surely, 2^10291091012 is an apocalyptic number.

It is an amenable number.

10291091012 is a deficient number, since it is larger than the sum of its proper divisors (7718318266).

10291091012 is a wasteful number, since it uses less digits than its factorization.

10291091012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572772757 (or 2572772755 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 10291091012 in words is "ten billion, two hundred ninety-one million, ninety-one thousand, twelve".