2539622413 has 2 divisors, whose sum is σ = 2539622414. Its totient is φ = 2539622412.

The previous prime is 2539622389. The next prime is 2539622419. The reversal of 2539622413 is 3142269352.

2539622413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1684527849 + 855094564 = 41043^2 + 29242^2 .

It is a cyclic number.

It is not a de Polignac number, because 2539622413 - 2⁵ = 2539622381 is a prime.

It is a super-2 number, since 2×2539622413² = 12899364001223885138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2539622419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269811206 + 1269811207.

It is an arithmetic number, because the mean of its divisors is an integer number (1269811207).

Almost surely, 2^2539622413 is an apocalyptic number.

It is an amenable number.

2539622413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2539622413 is an equidigital number, since it uses as much as digits as its factorization.

2539622413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 37.

The square root of 2539622413 is about 50394.6665134318. Note that the first 3 decimals coincide. The cubic root of 2539622413 is about 1364.3413770818.

The spelling of 2539622413 in words is "two billion, five hundred thirty-nine million, six hundred twenty-two thousand, four hundred thirteen".