29001749401 has 3 divisors (see below), whose sum is σ = 29001919701. Its totient is φ = 29001579102.

The previous prime is 29001749389. The next prime is 29001749411. The reversal of 29001749401 is 10494710092.

The square root of 29001749401 is 170299.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 29001749401 - 2¹⁵ = 29001716633 is a prime.

It is a super-2 number, since 2×29001749401² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29001749411) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 85150 + ... + 255448.

It is an arithmetic number, because the mean of its divisors is an integer number (9667306567).

Almost surely, 2^29001749401 is an apocalyptic number.

29001749401 is the 170299-th square number.

29001749401 is the 85150-th centered octagonal number.

It is an amenable number.

29001749401 is a deficient number, since it is larger than the sum of its proper divisors (170300).

29001749401 is an frugal number, since it uses more digits than its factorization.

29001749401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340598 (or 170299 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 29001749401 in words is "twenty-nine billion, one million, seven hundred forty-nine thousand, four hundred one".