42643230776515 has 64 divisors (see below), whose sum is σ = 59009463152640. Its totient is φ = 29368735211520.

The previous prime is 42643230776389. The next prime is 42643230776519. The reversal of 42643230776515 is 51567703234624.

It is not a de Polignac number, because 42643230776515 - 2²⁵ = 42643197222083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42643230776519) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20694592 + ... + 22661698.

It is an arithmetic number, because the mean of its divisors is an integer number (922022861760).

Almost surely, 2^{42643230776515} is an apocalyptic number.

42643230776515 is a deficient number, since it is larger than the sum of its proper divisors (16366232376125).

42643230776515 is a wasteful number, since it uses less digits than its factorization.

42643230776515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967612.

The product of its (nonzero) digits is 25401600, while the sum is 55.

The spelling of 42643230776515 in words is "forty-two trillion, six hundred forty-three billion, two hundred thirty million, seven hundred seventy-six thousand, five hundred fifteen".