29545254649 has 2 divisors, whose sum is σ = 29545254650. Its totient is φ = 29545254648.

The previous prime is 29545254587. The next prime is 29545254677. The reversal of 29545254649 is 94645254592.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27844929424 + 1700325225 = 166868^2 + 41235^2 .

It is a cyclic number.

It is not a de Polignac number, because 29545254649 - 2¹⁹ = 29544730361 is a prime.

It is a super-2 number, since 2×29545254649² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29545254649.

It is not a weakly prime, because it can be changed into another prime (29545254679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14772627324 + 14772627325.

It is an arithmetic number, because the mean of its divisors is an integer number (14772627325).

Almost surely, 2^29545254649 is an apocalyptic number.

It is an amenable number.

29545254649 is a deficient number, since it is larger than the sum of its proper divisors (1).

29545254649 is an equidigital number, since it uses as much as digits as its factorization.

29545254649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552000, while the sum is 55.

The spelling of 29545254649 in words is "twenty-nine billion, five hundred forty-five million, two hundred fifty-four thousand, six hundred forty-nine".