34720453858 has 8 divisors (see below), whose sum is σ = 53350941420. Its totient is φ = 16936806720.

The previous prime is 34720453853. The next prime is 34720453877. The reversal of 34720453858 is 85835402743.

It can be written as a sum of positive squares in 2 ways, for example, as 22195934289 + 12524519569 = 148983^2 + 111913^2 .

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

It is a super-2 number, since 2×34720453858² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34720453853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211710003 + ... + 211710166.

Almost surely, 2^34720453858 is an apocalyptic number.

34720453858 is a deficient number, since it is larger than the sum of its proper divisors (18630487562).

34720453858 is a wasteful number, since it uses less digits than its factorization.

34720453858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423420212.

The product of its (nonzero) digits is 3225600, while the sum is 49.

The spelling of 34720453858 in words is "thirty-four billion, seven hundred twenty million, four hundred fifty-three thousand, eight hundred fifty-eight".