190809562970 has 32 divisors (see below), whose sum is σ = 369961110288. Its totient is φ = 70436740608.

The previous prime is 190809562969. The next prime is 190809562973. The reversal of 190809562970 is 79265908091.

It can be written as a sum of positive squares in 8 ways, for example, as 23405022169 + 167404540801 = 152987^2 + 409151^2 .

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (190809562973) 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, 414752 + ... + 744068.

Almost surely, 2^190809562970 is an apocalyptic number.

190809562970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190809562970 is a deficient number, since it is larger than the sum of its proper divisors (179151547318).

190809562970 is a wasteful number, since it uses less digits than its factorization.

190809562970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333794.

The product of its (nonzero) digits is 2449440, while the sum is 56.

The spelling of 190809562970 in words is "one hundred ninety billion, eight hundred nine million, five hundred sixty-two thousand, nine hundred seventy".