4251563621054 has 16 divisors (see below), whose sum is σ = 6459174601920. Its totient is φ = 2098514614560.

The previous prime is 4251563621051. The next prime is 4251563621057. The reversal of 4251563621054 is 4501263651524.

It is an interprime number because it is at equal distance from previous prime (4251563621051) and next prime (4251563621057).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4251563620996 and 4251563621014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4251563621051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1369529 + ... + 3221604.

It is an arithmetic number, because the mean of its divisors is an integer number (403698412620).

Almost surely, 2^{4251563621054} is an apocalyptic number.

4251563621054 is a deficient number, since it is larger than the sum of its proper divisors (2207610980866).

4251563621054 is a wasteful number, since it uses less digits than its factorization.

4251563621054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4597075.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 4251563621054 in words is "four trillion, two hundred fifty-one billion, five hundred sixty-three million, six hundred twenty-one thousand, fifty-four".