30826781601 has 128 divisors (see below), whose sum is σ = 54012579840. Its totient is φ = 15173222400.

The previous prime is 30826781593. The next prime is 30826781621. The reversal of 30826781601 is 10618762803.

It is not a de Polignac number, because 30826781601 - 2³ = 30826781593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30826781621) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 146098386 + ... + 146098596.

It is an arithmetic number, because the mean of its divisors is an integer number (421973280).

Almost surely, 2^30826781601 is an apocalyptic number.

It is an amenable number.

30826781601 is a deficient number, since it is larger than the sum of its proper divisors (23185798239).

30826781601 is a wasteful number, since it uses less digits than its factorization.

30826781601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567.

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 30826781601 in words is "thirty billion, eight hundred twenty-six million, seven hundred eighty-one thousand, six hundred one".