29509100945 has 8 divisors (see below), whose sum is σ = 36631987560. Its totient is φ = 22793236480.

The previous prime is 29509100941. The next prime is 29509101029. The reversal of 29509100945 is 54900190592.

It can be written as a sum of positive squares in 4 ways, for example, as 111598096 + 29397502849 = 10564^2 + 171457^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29509100945 - 2² = 29509100941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29509100896 and 29509100905.

It is not an unprimeable number, because it can be changed into a prime (29509100941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101755376 + ... + 101755665.

It is an arithmetic number, because the mean of its divisors is an integer number (4578998445).

Almost surely, 2^29509100945 is an apocalyptic number.

It is an amenable number.

29509100945 is a deficient number, since it is larger than the sum of its proper divisors (7122886615).

29509100945 is a wasteful number, since it uses less digits than its factorization.

29509100945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203511075.

The product of its (nonzero) digits is 145800, while the sum is 44.

The spelling of 29509100945 in words is "twenty-nine billion, five hundred nine million, one hundred thousand, nine hundred forty-five".