2643123220514 has 32 divisors (see below), whose sum is σ = 4575469489920. Its totient is φ = 1121685691392.

The previous prime is 2643123220489. The next prime is 2643123220541. The reversal of 2643123220514 is 4150223213462.

It is a happy number.

It is a super-2 number, since 2×2643123220514² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 895802 + ... + 2467530.

It is an arithmetic number, because the mean of its divisors is an integer number (142983421560).

Almost surely, 2^{2643123220514} is an apocalyptic number.

2643123220514 is a deficient number, since it is larger than the sum of its proper divisors (1932346269406).

2643123220514 is a wasteful number, since it uses less digits than its factorization.

2643123220514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572914.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 2643123220514 its reverse (4150223213462), we get a palindrome (6793346433976).

The spelling of 2643123220514 in words is "two trillion, six hundred forty-three billion, one hundred twenty-three million, two hundred twenty thousand, five hundred fourteen".