1925980995 has 32 divisors (see below), whose sum is σ = 3151653120. Its totient is φ = 1004065920.

The previous prime is 1925980967. The next prime is 1925980997. The reversal of 1925980995 is 5990895291.

It is a Cunningham number, because it is equal to 43886²-1.

It is not a de Polignac number, because 1925980995 - 2⁵ = 1925980963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1925980997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124341 + ... + 138969.

It is an arithmetic number, because the mean of its divisors is an integer number (98489160).

Almost surely, 2^1925980995 is an apocalyptic number.

1925980995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1925980995 is a deficient number, since it is larger than the sum of its proper divisors (1225672125).

1925980995 is a wasteful number, since it uses less digits than its factorization.

1925980995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14835.

The product of its (nonzero) digits is 2624400, while the sum is 57.

The square root of 1925980995 is about 43885.9999886068. Note that the first 4 decimals coincide. The cubic root of 1925980995 is about 1244.1822439120.

The spelling of 1925980995 in words is "one billion, nine hundred twenty-five million, nine hundred eighty thousand, nine hundred ninety-five".