306395056473 has 16 divisors (see below), whose sum is σ = 445840361472. Its totient is φ = 185621130000.

The previous prime is 306395056463. The next prime is 306395056493. The reversal of 306395056473 is 374650593603.

It is not a de Polignac number, because 306395056473 - 2⁵ = 306395056441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (306395056463) 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, 1735633 + ... + 1903998.

It is an arithmetic number, because the mean of its divisors is an integer number (27865022592).

Almost surely, 2^306395056473 is an apocalyptic number.

306395056473 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

306395056473 is a deficient number, since it is larger than the sum of its proper divisors (139445304999).

306395056473 is a wasteful number, since it uses less digits than its factorization.

306395056473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642196.

The product of its (nonzero) digits is 6123600, while the sum is 51.

The spelling of 306395056473 in words is "three hundred six billion, three hundred ninety-five million, fifty-six thousand, four hundred seventy-three".