34905947979 has 8 divisors (see below), whose sum is σ = 53190016000. Its totient is φ = 19946255976.

The previous prime is 34905947977. The next prime is 34905947981. The reversal of 34905947979 is 97974950943.

It is an interprime number because it is at equal distance from previous prime (34905947977) and next prime (34905947981).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34905947979 - 2¹ = 34905947977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34905947971) by changing a digit.

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, 831093979 + ... + 831094020.

It is an arithmetic number, because the mean of its divisors is an integer number (6648752000).

Almost surely, 2^34905947979 is an apocalyptic number.

34905947979 is a deficient number, since it is larger than the sum of its proper divisors (18284068021).

34905947979 is a wasteful number, since it uses less digits than its factorization.

34905947979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662188009.

The product of its (nonzero) digits is 77157360, while the sum is 66.

The spelling of 34905947979 in words is "thirty-four billion, nine hundred five million, nine hundred forty-seven thousand, nine hundred seventy-nine".