835904505945 has 16 divisors (see below), whose sum is σ = 1338345463680. Its totient is φ = 445516318464.

The previous prime is 835904505923. The next prime is 835904505967. The reversal of 835904505945 is 549505409538.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (835904505923) and next prime (835904505967).

It is not a de Polignac number, because 835904505945 - 2¹⁵ = 835904473177 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18690549 + ... + 18735218.

It is an arithmetic number, because the mean of its divisors is an integer number (83646591480).

Almost surely, 2^835904505945 is an apocalyptic number.

It is an amenable number.

835904505945 is a deficient number, since it is larger than the sum of its proper divisors (502440957735).

835904505945 is a wasteful number, since it uses less digits than its factorization.

835904505945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37427264.

The product of its (nonzero) digits is 19440000, while the sum is 57.

The spelling of 835904505945 in words is "eight hundred thirty-five billion, nine hundred four million, five hundred five thousand, nine hundred forty-five".