10465215643 has 4 divisors (see below), whose sum is σ = 10465968208. Its totient is φ = 10464463080.

The previous prime is 10465215611. The next prime is 10465215653. The reversal of 10465215643 is 34651256401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34651256401 = 11699 ⋅2961899.

It is a cyclic number.

It is not a de Polignac number, because 10465215643 - 2⁵ = 10465215611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10465215653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355023 + ... + 383368.

It is an arithmetic number, because the mean of its divisors is an integer number (2616492052).

Almost surely, 2^10465215643 is an apocalyptic number.

10465215643 is a deficient number, since it is larger than the sum of its proper divisors (752565).

10465215643 is an equidigital number, since it uses as much as digits as its factorization.

10465215643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752564.

The product of its (nonzero) digits is 86400, while the sum is 37.

It can be divided in two parts, 104652 and 15643, that added together give a triangular number (120295 = T₄₉₀).

The spelling of 10465215643 in words is "ten billion, four hundred sixty-five million, two hundred fifteen thousand, six hundred forty-three".