15345020629 has 2 divisors, whose sum is σ = 15345020630. Its totient is φ = 15345020628.

The previous prime is 15345020609. The next prime is 15345020681. The reversal of 15345020629 is 92602054351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13902768100 + 1442252529 = 117910^2 + 37977^2 .

It is an emirp because it is prime and its reverse (92602054351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15345020629 - 2⁷ = 15345020501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15345020609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7672510314 + 7672510315.

It is an arithmetic number, because the mean of its divisors is an integer number (7672510315).

Almost surely, 2^15345020629 is an apocalyptic number.

It is an amenable number.

15345020629 is a deficient number, since it is larger than the sum of its proper divisors (1).

15345020629 is an equidigital number, since it uses as much as digits as its factorization.

15345020629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 15345020629 in words is "fifteen billion, three hundred forty-five million, twenty thousand, six hundred twenty-nine".