15345299929 has 2 divisors, whose sum is σ = 15345299930. Its totient is φ = 15345299928.

The previous prime is 15345299927. The next prime is 15345299939. The reversal of 15345299929 is 92999254351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14514707529 + 830592400 = 120477^2 + 28820^2 .

It is a cyclic number.

It is not a de Polignac number, because 15345299929 - 2¹ = 15345299927 is a prime.

Together with 15345299927, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (15345299923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7672649964 + 7672649965.

It is an arithmetic number, because the mean of its divisors is an integer number (7672649965).

Almost surely, 2^15345299929 is an apocalyptic number.

It is an amenable number.

15345299929 is a deficient number, since it is larger than the sum of its proper divisors (1).

15345299929 is an equidigital number, since it uses as much as digits as its factorization.

15345299929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7873200, while the sum is 58.

The spelling of 15345299929 in words is "fifteen billion, three hundred forty-five million, two hundred ninety-nine thousand, nine hundred twenty-nine".