29860049869225 has 9 divisors (see below), whose sum is σ = 37026495717367. Its totient is φ = 23888018037640.

The previous prime is 29860049869219. The next prime is 29860049869301. The reversal of 29860049869225 is 52296894006892.

It is a happy number.

The square root of 29860049869225 is 5464435.

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

It can be written as a sum of positive squares in only one way, i.e., 10749617952921 + 19110431916304 = 3278661^2 + 4371548^2 .

It is not a de Polignac number, because 29860049869225 - 2³ = 29860049869217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 26775732 + ... + 27868618.

Almost surely, 2^{29860049869225} is an apocalyptic number.

29860049869225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

29860049869225 is the 5464435-th square number.

29860049869225 is the 2732218-th centered octagonal number.

It is an amenable number.

29860049869225 is a deficient number, since it is larger than the sum of its proper divisors (7166445848142).

29860049869225 is an frugal number, since it uses more digits than its factorization.

29860049869225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185784 (or 1092892 counting only the distinct ones).

The product of its (nonzero) digits is 268738560, while the sum is 70.

The spelling of 29860049869225 in words is "twenty-nine trillion, eight hundred sixty billion, forty-nine million, eight hundred sixty-nine thousand, two hundred twenty-five".