10309452861 has 16 divisors (see below), whose sum is σ = 13925995200. Its totient is φ = 6783224448.

The previous prime is 10309452821. The next prime is 10309452893. The reversal of 10309452861 is 16825490301.

It is not a de Polignac number, because 10309452861 - 2²³ = 10301064253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10309452821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110755 + ... + 181343.

It is an arithmetic number, because the mean of its divisors is an integer number (870374700).

Almost surely, 2^10309452861 is an apocalyptic number.

It is an amenable number.

10309452861 is a deficient number, since it is larger than the sum of its proper divisors (3616542339).

10309452861 is an equidigital number, since it uses as much as digits as its factorization.

10309452861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71228.

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 10309452861 in words is "ten billion, three hundred nine million, four hundred fifty-two thousand, eight hundred sixty-one".