34253643642 has 32 divisors (see below), whose sum is σ = 71495281152. Its totient is φ = 10920013104.

The previous prime is 34253643617. The next prime is 34253643673. The reversal of 34253643642 is 24634635243.

It is a junction number, because it is equal to n+sod(n) for n = 34253643594 and 34253643603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1643853 + ... + 1664559.

It is an arithmetic number, because the mean of its divisors is an integer number (2234227536).

Almost surely, 2^34253643642 is an apocalyptic number.

34253643642 is an abundant number, since it is smaller than the sum of its proper divisors (37241637510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34253643642 is a wasteful number, since it uses less digits than its factorization.

34253643642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32722.

The product of its digits is 1244160, while the sum is 42.

The spelling of 34253643642 in words is "thirty-four billion, two hundred fifty-three million, six hundred forty-three thousand, six hundred forty-two".