1930489953 has 16 divisors (see below), whose sum is σ = 2968690560. Its totient is φ = 1093015296.

The previous prime is 1930489943. The next prime is 1930489969. The reversal of 1930489953 is 3599840391.

It is a happy number.

It is not a de Polignac number, because 1930489953 - 2⁴ = 1930489937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1930489896 and 1930489905.

It is not an unprimeable number, because it can be changed into a prime (1930489943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419400 + ... + 423977.

It is an arithmetic number, because the mean of its divisors is an integer number (185543160).

Almost surely, 2^1930489953 is an apocalyptic number.

It is an amenable number.

1930489953 is a deficient number, since it is larger than the sum of its proper divisors (1038200607).

1930489953 is a wasteful number, since it uses less digits than its factorization.

1930489953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843496.

The product of its (nonzero) digits is 1049760, while the sum is 51.

The square root of 1930489953 is about 43937.3412145068. The cubic root of 1930489953 is about 1245.1524150108.

The spelling of 1930489953 in words is "one billion, nine hundred thirty million, four hundred eighty-nine thousand, nine hundred fifty-three".