2624632364261 has 4 divisors (see below), whose sum is σ = 2624638727724. Its totient is φ = 2624626000800.

The previous prime is 2624632364251. The next prime is 2624632364287. The reversal of 2624632364261 is 1624632364262.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1931794212100 + 692838152161 = 1389890^2 + 832369^2 .

It is a cyclic number.

It is not a de Polignac number, because 2624632364261 - 2¹⁸ = 2624632102117 is a prime.

It is a super-2 number, since 2×2624632364261² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2624632364251) 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, 2516720 + ... + 3403401.

It is an arithmetic number, because the mean of its divisors is an integer number (656159681931).

Almost surely, 2^{2624632364261} is an apocalyptic number.

It is an amenable number.

2624632364261 is a deficient number, since it is larger than the sum of its proper divisors (6363463).

2624632364261 is an equidigital number, since it uses as much as digits as its factorization.

2624632364261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6363462.

The product of its digits is 2985984, while the sum is 47.

Subtracting from 2624632364261 its reverse (1624632364262), we obtain a palindrome (999999999999).

The spelling of 2624632364261 in words is "two trillion, six hundred twenty-four billion, six hundred thirty-two million, three hundred sixty-four thousand, two hundred sixty-one".