1925429361609 has 16 divisors (see below), whose sum is σ = 2764759939200. Its totient is φ = 1184862097536.

The previous prime is 1925429361589. The next prime is 1925429361623. The reversal of 1925429361609 is 9061639245291.

It is not a de Polignac number, because 1925429361609 - 2¹¹ = 1925429359561 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1925429362609) 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, 2616637 + ... + 3270725.

It is an arithmetic number, because the mean of its divisors is an integer number (172797496200).

Almost surely, 2^{1925429361609} is an apocalyptic number.

It is an amenable number.

1925429361609 is a deficient number, since it is larger than the sum of its proper divisors (839330577591).

1925429361609 is a wasteful number, since it uses less digits than its factorization.

1925429361609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729584.

The product of its (nonzero) digits is 6298560, while the sum is 57.

The spelling of 1925429361609 in words is "one trillion, nine hundred twenty-five billion, four hundred twenty-nine million, three hundred sixty-one thousand, six hundred nine".