10234567891 has 8 divisors (see below), whose sum is σ = 10523888720. Its totient is φ = 9945916128.

The previous prime is 10234567883. The next prime is 10234567897. The reversal of 10234567891 is 19876543201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10234567891 - 2³ = 10234567883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10234567897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136161 + ... + 197506.

It is an arithmetic number, because the mean of its divisors is an integer number (1315486090).

It is a 2-persistent number, because it is pandigital, and so is 2⋅10234567891 = 20469135782, but 3⋅10234567891 = 30703703673 is not.

Almost surely, 2^10234567891 is an apocalyptic number.

10234567891 is a deficient number, since it is larger than the sum of its proper divisors (289320829).

10234567891 is an equidigital number, since it uses as much as digits as its factorization.

10234567891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334533.

The product of its (nonzero) digits is 362880, while the sum is 46.

It can be divided in two parts, 102345 and 67891, that added together give a triangular number (170236 = T₅₈₃).

The spelling of 10234567891 in words is "ten billion, two hundred thirty-four million, five hundred sixty-seven thousand, eight hundred ninety-one".