1438276648654 has 8 divisors (see below), whose sum is σ = 2157653151720. Its totient is φ = 719058931416.

The previous prime is 1438276648603. The next prime is 1438276648657. The reversal of 1438276648654 is 4568466728341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438276648657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39673809 + ... + 39710044.

It is an arithmetic number, because the mean of its divisors is an integer number (269706643965).

Almost surely, 2^{1438276648654} is an apocalyptic number.

1438276648654 is a deficient number, since it is larger than the sum of its proper divisors (719376503066).

1438276648654 is an equidigital number, since it uses as much as digits as its factorization.

1438276648654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79392914.

The product of its digits is 185794560, while the sum is 64.

The spelling of 1438276648654 in words is "one trillion, four hundred thirty-eight billion, two hundred seventy-six million, six hundred forty-eight thousand, six hundred fifty-four".