309819420010 has 16 divisors (see below), whose sum is σ = 563196492072. Its totient is φ = 122700760000.

The previous prime is 309819419993. The next prime is 309819420023. The reversal of 309819420010 is 10024918903.

It can be written as a sum of positive squares in 4 ways, for example, as 221711964769 + 88107455241 = 470863^2 + 296829^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153374941 + ... + 153376960.

Almost surely, 2^309819420010 is an apocalyptic number.

309819420010 is a deficient number, since it is larger than the sum of its proper divisors (253377072062).

309819420010 is a wasteful number, since it uses less digits than its factorization.

309819420010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306752009.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 309819420010 in words is "three hundred nine billion, eight hundred nineteen million, four hundred twenty thousand, ten".