2620326433 has 4 divisors (see below), whose sum is σ = 2774463300. Its totient is φ = 2466189568.

The previous prime is 2620326409. The next prime is 2620326437. The reversal of 2620326433 is 3346230262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3346230262 = 2 ⋅1673115131.

It can be written as a sum of positive squares in 2 ways, for example, as 2459366464 + 160959969 = 49592^2 + 12687^2 .

It is a cyclic number.

It is not a de Polignac number, because 2620326433 - 2²¹ = 2618229281 is a prime.

It is a super-2 number, since 2×2620326433² = 13732221230957006978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2620326395 and 2620326404.

It is not an unprimeable number, because it can be changed into a prime (2620326437) 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, 77068408 + ... + 77068441.

It is an arithmetic number, because the mean of its divisors is an integer number (693615825).

Almost surely, 2^2620326433 is an apocalyptic number.

It is an amenable number.

2620326433 is a deficient number, since it is larger than the sum of its proper divisors (154136867).

2620326433 is a wasteful number, since it uses less digits than its factorization.

2620326433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154136866.

The product of its (nonzero) digits is 31104, while the sum is 31.

The square root of 2620326433 is about 51189.1241671510. The cubic root of 2620326433 is about 1378.6429341105.

Adding to 2620326433 its reverse (3346230262), we get a palindrome (5966556695).

The spelling of 2620326433 in words is "two billion, six hundred twenty million, three hundred twenty-six thousand, four hundred thirty-three".