1628336047425 has 24 divisors (see below), whose sum is σ = 2692247435136. Its totient is φ = 868424869440.

The previous prime is 1628336047411. The next prime is 1628336047441. The reversal of 1628336047425 is 5247406338261.

It is not a de Polignac number, because 1628336047425 - 2¹⁹ = 1628335523137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3149592 + ... + 3629958.

It is an arithmetic number, because the mean of its divisors is an integer number (112176976464).

Almost surely, 2^{1628336047425} is an apocalyptic number.

1628336047425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1628336047425 is a deficient number, since it is larger than the sum of its proper divisors (1063911387711).

1628336047425 is a wasteful number, since it uses less digits than its factorization.

1628336047425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525577 (or 525572 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 51.

The spelling of 1628336047425 in words is "one trillion, six hundred twenty-eight billion, three hundred thirty-six million, forty-seven thousand, four hundred twenty-five".