29955257545663 has 2 divisors, whose sum is σ = 29955257545664. Its totient is φ = 29955257545662.

The previous prime is 29955257545637. The next prime is 29955257545667. The reversal of 29955257545663 is 36654575255992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29955257545663 - 2²⁹ = 29954720674751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29955257545667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14977628772831 + 14977628772832.

It is an arithmetic number, because the mean of its divisors is an integer number (14977628772832).

Almost surely, 2^{29955257545663} is an apocalyptic number.

29955257545663 is a deficient number, since it is larger than the sum of its proper divisors (1).

29955257545663 is an equidigital number, since it uses as much as digits as its factorization.

29955257545663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3061800000, while the sum is 73.

The spelling of 29955257545663 in words is "twenty-nine trillion, nine hundred fifty-five billion, two hundred fifty-seven million, five hundred forty-five thousand, six hundred sixty-three".