29506650625 has 15 divisors (see below), whose sum is σ = 36876877653. Its totient is φ = 23601885000.

The previous prime is 29506650617. The next prime is 29506650683. The reversal of 29506650625 is 52605660592.

The square root of 29506650625 is 171775.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2313321409 + 27193329216 = 48097^2 + 164904^2 .

It is not a de Polignac number, because 29506650625 - 2³ = 29506650617 is a prime.

It is a super-2 number, since 2×29506650625² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 4290940 + ... + 4297810.

Almost surely, 2^29506650625 is an apocalyptic number.

29506650625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

29506650625 is the 171775-th square number.

29506650625 is the 85888-th centered octagonal number.

It is an amenable number.

29506650625 is a deficient number, since it is larger than the sum of its proper divisors (7370227028).

29506650625 is an frugal number, since it uses more digits than its factorization.

29506650625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13762 (or 6876 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 29506650625 in words is "twenty-nine billion, five hundred six million, six hundred fifty thousand, six hundred twenty-five".