1444414378851 has 12 divisors (see below), whose sum is σ = 2153678787520. Its totient is φ = 931880244240.

The previous prime is 1444414378843. The next prime is 1444414378859. The reversal of 1444414378851 is 1588734144441.

1444414378851 is a `hidden beast` number, since 1 + 4 + 44 + 41 + 437 + 88 + 51 = 666.

It is an interprime number because it is at equal distance from previous prime (1444414378843) and next prime (1444414378859).

It is not a de Polignac number, because 1444414378851 - 2³ = 1444414378843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444414378859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2588555956 + ... + 2588556513.

Almost surely, 2^{1444414378851} is an apocalyptic number.

1444414378851 is a deficient number, since it is larger than the sum of its proper divisors (709264408669).

1444414378851 is a wasteful number, since it uses less digits than its factorization.

1444414378851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5177112506 (or 5177112503 counting only the distinct ones).

The product of its digits is 6881280, while the sum is 54.

The spelling of 1444414378851 in words is "one trillion, four hundred forty-four billion, four hundred fourteen million, three hundred seventy-eight thousand, eight hundred fifty-one".