2251474478363 has 16 divisors (see below), whose sum is σ = 2457719387136. Its totient is φ = 2045490891840.

The previous prime is 2251474478329. The next prime is 2251474478387. The reversal of 2251474478363 is 3638744741522.

It is not a de Polignac number, because 2251474478363 - 2²⁰ = 2251473429787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2251474478299 and 2251474478308.

It is not an unprimeable number, because it can be changed into a prime (2251474478563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220231070 + ... + 220241292.

It is an arithmetic number, because the mean of its divisors is an integer number (153607461696).

Almost surely, 2^{2251474478363} is an apocalyptic number.

2251474478363 is a deficient number, since it is larger than the sum of its proper divisors (206244908773).

2251474478363 is a wasteful number, since it uses less digits than its factorization.

2251474478363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21034.

The product of its digits is 27095040, while the sum is 56.

The spelling of 2251474478363 in words is "two trillion, two hundred fifty-one billion, four hundred seventy-four million, four hundred seventy-eight thousand, three hundred sixty-three".