1930129461 has 48 divisors (see below), whose sum is σ = 3081078000. Its totient is φ = 1156985856.

The previous prime is 1930129441. The next prime is 1930129483. The reversal of 1930129461 is 1649210391.

It is a happy number.

1930129461 is a `hidden beast` number, since 1 + 9 + 301 + 294 + 61 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 13003236 + 1917126225 = 3606^2 + 43785^2 .

It is not a de Polignac number, because 1930129461 - 2⁵ = 1930129429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1930129441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 922905 + ... + 924993.

It is an arithmetic number, because the mean of its divisors is an integer number (64189125).

Almost surely, 2^1930129461 is an apocalyptic number.

It is an amenable number.

1930129461 is a deficient number, since it is larger than the sum of its proper divisors (1150948539).

1930129461 is a wasteful number, since it uses less digits than its factorization.

1930129461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310 (or 2307 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1930129461 is about 43933.2386809805. The cubic root of 1930129461 is about 1245.0749052528.

The spelling of 1930129461 in words is "one billion, nine hundred thirty million, one hundred twenty-nine thousand, four hundred sixty-one".