29638425613 has 2 divisors, whose sum is σ = 29638425614. Its totient is φ = 29638425612.

The previous prime is 29638425559. The next prime is 29638425629. The reversal of 29638425613 is 31652483692.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24381885609 + 5256540004 = 156147^2 + 72502^2 .

It is a cyclic number.

It is not a de Polignac number, because 29638425613 - 2¹³ = 29638417421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29638425653) 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, 14819212806 + 14819212807.

It is an arithmetic number, because the mean of its divisors is an integer number (14819212807).

Almost surely, 2^29638425613 is an apocalyptic number.

It is an amenable number.

29638425613 is a deficient number, since it is larger than the sum of its proper divisors (1).

29638425613 is an equidigital number, since it uses as much as digits as its factorization.

29638425613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 49.

The spelling of 29638425613 in words is "twenty-nine billion, six hundred thirty-eight million, four hundred twenty-five thousand, six hundred thirteen".