1425664633254 has 16 divisors (see below), whose sum is σ = 2851340989248. Its totient is φ = 475219590632.

The previous prime is 1425664633249. The next prime is 1425664633271. The reversal of 1425664633254 is 4523364665241.

It is a super-2 number, since 2×1425664633254² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1425664633197 and 1425664633206.

It is a congruent number.

It is an unprimeable number.

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, 2484049 + ... + 3003635.

It is an arithmetic number, because the mean of its divisors is an integer number (178208811828).

Almost surely, 2^{1425664633254} is an apocalyptic number.

1425664633254 is an abundant number, since it is smaller than the sum of its proper divisors (1425676355994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1425664633254 is a wasteful number, since it uses less digits than its factorization.

1425664633254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976899.

The product of its digits is 12441600, while the sum is 51.

The spelling of 1425664633254 in words is "one trillion, four hundred twenty-five billion, six hundred sixty-four million, six hundred thirty-three thousand, two hundred fifty-four".