1469637640225 has 24 divisors (see below), whose sum is σ = 1844336115648. Its totient is φ = 1161575832000.

The previous prime is 1469637640223. The next prime is 1469637640241. The reversal of 1469637640225 is 5220467369641.

It is a happy number.

It is not a de Polignac number, because 1469637640225 - 2¹ = 1469637640223 is a prime.

It is a super-2 number, since 2×1469637640225² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1469637640223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 556012 + ... + 1802338.

It is an arithmetic number, because the mean of its divisors is an integer number (76847338152).

Almost surely, 2^{1469637640225} is an apocalyptic number.

It is an amenable number.

1469637640225 is a deficient number, since it is larger than the sum of its proper divisors (374698475423).

1469637640225 is a wasteful number, since it uses less digits than its factorization.

1469637640225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246905 (or 1246900 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 55.

The spelling of 1469637640225 in words is "one trillion, four hundred sixty-nine billion, six hundred thirty-seven million, six hundred forty thousand, two hundred twenty-five".