2620501520431 has 2 divisors, whose sum is σ = 2620501520432. Its totient is φ = 2620501520430.

The previous prime is 2620501520423. The next prime is 2620501520633. The reversal of 2620501520431 is 1340251050262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2620501520431 - 2³ = 2620501520423 is a prime.

It is a super-2 number, since 2×2620501520431² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2620501520393 and 2620501520402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2620501520411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310250760215 + 1310250760216.

It is an arithmetic number, because the mean of its divisors is an integer number (1310250760216).

Almost surely, 2^{2620501520431} is an apocalyptic number.

2620501520431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2620501520431 is an equidigital number, since it uses as much as digits as its factorization.

2620501520431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 2620501520431 its reverse (1340251050262), we get a palindrome (3960752570693).

The spelling of 2620501520431 in words is "two trillion, six hundred twenty billion, five hundred one million, five hundred twenty thousand, four hundred thirty-one".