652217309642452 has 24 divisors (see below), whose sum is σ = 1169220744457920. Its totient is φ = 318154265768640.

The previous prime is 652217309642407. The next prime is 652217309642497. The reversal of 652217309642452 is 254246903712256.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (652217309642407) and next prime (652217309642497).

It is a super-2 number, since 2×652217309642452² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109391199 + ... + 115199257.

It is an arithmetic number, because the mean of its divisors is an integer number (48717531019080).

Almost surely, 2^{652217309642452} is an apocalyptic number.

It is an amenable number.

652217309642452 is a deficient number, since it is larger than the sum of its proper divisors (517003434815468).

652217309642452 is a wasteful number, since it uses less digits than its factorization.

652217309642452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6492831 (or 6492829 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 58.

The spelling of 652217309642452 in words is "six hundred fifty-two trillion, two hundred seventeen billion, three hundred nine million, six hundred forty-two thousand, four hundred fifty-two".