625064606546351 has 4 divisors (see below), whose sum is σ = 645227980951104. Its totient is φ = 604901232141600.

The previous prime is 625064606546339. The next prime is 625064606546431. The reversal of 625064606546351 is 153645606460526.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-625064606546351 is a prime.

It is a super-2 number, since 2×625064606546351² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625064606546851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10081687202330 + ... + 10081687202391.

It is an arithmetic number, because the mean of its divisors is an integer number (161306995237776).

Almost surely, 2^{625064606546351} is an apocalyptic number.

625064606546351 is a deficient number, since it is larger than the sum of its proper divisors (20163374404753).

625064606546351 is a wasteful number, since it uses less digits than its factorization.

625064606546351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20163374404752.

The product of its (nonzero) digits is 93312000, while the sum is 59.

The spelling of 625064606546351 in words is "six hundred twenty-five trillion, sixty-four billion, six hundred six million, five hundred forty-six thousand, three hundred fifty-one".