1628239346654 has 8 divisors (see below), whose sum is σ = 2463972816960. Its totient is φ = 806915074336.

The previous prime is 1628239346641. The next prime is 1628239346687. The reversal of 1628239346654 is 4566439328261.

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

It is a junction number, because it is equal to n+sod(n) for n = 1628239346593 and 1628239346602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3602299214 + ... + 3602299665.

It is an arithmetic number, because the mean of its divisors is an integer number (307996602120).

Almost surely, 2^{1628239346654} is an apocalyptic number.

1628239346654 is a deficient number, since it is larger than the sum of its proper divisors (835733470306).

1628239346654 is a wasteful number, since it uses less digits than its factorization.

1628239346654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7204598994.

The product of its digits is 44789760, while the sum is 59.

The spelling of 1628239346654 in words is "one trillion, six hundred twenty-eight billion, two hundred thirty-nine million, three hundred forty-six thousand, six hundred fifty-four".