2154647459226 has 32 divisors (see below), whose sum is σ = 4536165960000. Its totient is φ = 680405080320.

The previous prime is 2154647459203. The next prime is 2154647459311. The reversal of 2154647459226 is 6229547464512.

It is a happy number.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14969650 + ... + 15112898.

It is an arithmetic number, because the mean of its divisors is an integer number (141755186250).

Almost surely, 2^{2154647459226} is an apocalyptic number.

2154647459226 is an abundant number, since it is smaller than the sum of its proper divisors (2381518500774).

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

2154647459226 is a wasteful number, since it uses less digits than its factorization.

2154647459226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275214.

The product of its digits is 29030400, while the sum is 57.

The spelling of 2154647459226 in words is "two trillion, one hundred fifty-four billion, six hundred forty-seven million, four hundred fifty-nine thousand, two hundred twenty-six".