309162546242 has 16 divisors (see below), whose sum is σ = 507870849312. Its totient is φ = 139981624320.

The previous prime is 309162546179. The next prime is 309162546283. The reversal of 309162546242 is 242645261903.

It is a junction number, because it is equal to n+sod(n) for n = 309162546193 and 309162546202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27334508 + ... + 27345815.

It is an arithmetic number, because the mean of its divisors is an integer number (31741928082).

Almost surely, 2^309162546242 is an apocalyptic number.

309162546242 is a deficient number, since it is larger than the sum of its proper divisors (198708303070).

309162546242 is a wasteful number, since it uses less digits than its factorization.

309162546242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54680593.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 309162546242 in words is "three hundred nine billion, one hundred sixty-two million, five hundred forty-six thousand, two hundred forty-two".