625148886423 has 8 divisors (see below), whose sum is σ = 837109239408. Its totient is φ = 414977228864.

The previous prime is 625148886421. The next prime is 625148886511. The reversal of 625148886423 is 324688841526.

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

It is a cyclic number.

It is not a de Polignac number, because 625148886423 - 2¹ = 625148886421 is a prime.

It is a super-2 number, since 2×625148886423² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625148886421) by changing a digit.

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, 447173040 + ... + 447174437.

It is an arithmetic number, because the mean of its divisors is an integer number (104638654926).

Almost surely, 2^625148886423 is an apocalyptic number.

625148886423 is a deficient number, since it is larger than the sum of its proper divisors (211960352985).

625148886423 is a wasteful number, since it uses less digits than its factorization.

625148886423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894347713.

The product of its digits is 17694720, while the sum is 57.

The spelling of 625148886423 in words is "six hundred twenty-five billion, one hundred forty-eight million, eight hundred eighty-six thousand, four hundred twenty-three".