4219451625 has 16 divisors (see below), whose sum is σ = 7021168128. Its totient is φ = 2250374000.

The previous prime is 4219451623. The next prime is 4219451647. The reversal of 4219451625 is 5261549124.

It is not a de Polignac number, because 4219451625 - 2¹ = 4219451623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4219451623) 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 15 ways as a sum of consecutive naturals, for example, 5625561 + ... + 5626310.

It is an arithmetic number, because the mean of its divisors is an integer number (438823008).

Almost surely, 2^4219451625 is an apocalyptic number.

It is an amenable number.

4219451625 is a deficient number, since it is larger than the sum of its proper divisors (2801716503).

4219451625 is a wasteful number, since it uses less digits than its factorization.

4219451625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11251889 (or 11251879 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 4219451625 is about 64957.3061710536. The cubic root of 4219451625 is about 1615.9155891653.

The spelling of 4219451625 in words is "four billion, two hundred nineteen million, four hundred fifty-one thousand, six hundred twenty-five".