10213533491 has 12 divisors (see below), whose sum is σ = 11898282600. Its totient is φ = 8741759040.

The previous prime is 10213533439. The next prime is 10213533503. The reversal of 10213533491 is 19433531201.

It is not a de Polignac number, because 10213533491 - 2¹⁸ = 10213271347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10213533401) 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, 116966 + ... + 184683.

It is an arithmetic number, because the mean of its divisors is an integer number (991523550).

Almost surely, 2^10213533491 is an apocalyptic number.

10213533491 is a deficient number, since it is larger than the sum of its proper divisors (1684749109).

10213533491 is an equidigital number, since it uses as much as digits as its factorization.

10213533491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302354 (or 302347 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The spelling of 10213533491 in words is "ten billion, two hundred thirteen million, five hundred thirty-three thousand, four hundred ninety-one".