1454888394381 has 16 divisors (see below), whose sum is σ = 2025770374656. Its totient is φ = 927031748016.

The previous prime is 1454888394361. The next prime is 1454888394433. The reversal of 1454888394381 is 1834938884541.

It is not a de Polignac number, because 1454888394381 - 2⁶ = 1454888394317 is a prime.

It is a super-2 number, since 2×1454888394381² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1454888394361) 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, 8128675 + ... + 8305728.

It is an arithmetic number, because the mean of its divisors is an integer number (126610648416).

Almost surely, 2^{1454888394381} is an apocalyptic number.

It is an amenable number.

1454888394381 is a deficient number, since it is larger than the sum of its proper divisors (570881980275).

1454888394381 is a wasteful number, since it uses less digits than its factorization.

1454888394381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16435712.

The product of its digits is 106168320, while the sum is 66.

The spelling of 1454888394381 in words is "one trillion, four hundred fifty-four billion, eight hundred eighty-eight million, three hundred ninety-four thousand, three hundred eighty-one".