52121646410 has 8 divisors (see below), whose sum is σ = 93818963556. Its totient is φ = 20848658560.

The previous prime is 52121646341. The next prime is 52121646419. The reversal of 52121646410 is 1464612125.

It can be written as a sum of positive squares in 2 ways, for example, as 48540461761 + 3581184649 = 220319^2 + 59843^2 .

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

It is not an unprimeable number, because it can be changed into a prime (52121646419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2606082311 + ... + 2606082330.

Almost surely, 2^52121646410 is an apocalyptic number.

52121646410 is a deficient number, since it is larger than the sum of its proper divisors (41697317146).

52121646410 is a wasteful number, since it uses less digits than its factorization.

52121646410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5212164648.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 52121646410 in words is "fifty-two billion, one hundred twenty-one million, six hundred forty-six thousand, four hundred ten".