1930997041 has 4 divisors (see below), whose sum is σ = 1936092400. Its totient is φ = 1925901684.

The previous prime is 1930997023. The next prime is 1930997069. The reversal of 1930997041 is 1407990391.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1407990391 = 193 ⋅7295287.

It is a cyclic number.

It is not a de Polignac number, because 1930997041 - 2⁵ = 1930997009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1930997641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2547111 + ... + 2547868.

It is an arithmetic number, because the mean of its divisors is an integer number (484023100).

Almost surely, 2^1930997041 is an apocalyptic number.

It is an amenable number.

1930997041 is a deficient number, since it is larger than the sum of its proper divisors (5095359).

1930997041 is an equidigital number, since it uses as much as digits as its factorization.

1930997041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5095358.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 1930997041 is about 43943.1114169218. Note that the first 3 decimals coincide. The cubic root of 1930997041 is about 1245.2614281952.

The spelling of 1930997041 in words is "one billion, nine hundred thirty million, nine hundred ninety-seven thousand, forty-one".