1980430295 has 16 divisors (see below), whose sum is σ = 2492854272. Its totient is φ = 1507508640.

The previous prime is 1980430267. The next prime is 1980430297. The reversal of 1980430295 is 5920340891.

It is not a de Polignac number, because 1980430295 - 2²² = 1976235991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1980430297) 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, 23117 + ... + 67046.

It is an arithmetic number, because the mean of its divisors is an integer number (155803392).

Almost surely, 2^1980430295 is an apocalyptic number.

1980430295 is a deficient number, since it is larger than the sum of its proper divisors (512423977).

1980430295 is a wasteful number, since it uses less digits than its factorization.

1980430295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90382.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 1980430295 is about 44502.0257404087. The cubic root of 1980430295 is about 1255.7981927834.

The spelling of 1980430295 in words is "one billion, nine hundred eighty million, four hundred thirty thousand, two hundred ninety-five".