30853955403 has 16 divisors (see below), whose sum is σ = 45712506240. Its totient is φ = 20567979432.

The previous prime is 30853955347. The next prime is 30853955441. The reversal of 30853955403 is 30455935803.

It is a happy number.

It is not a de Polignac number, because 30853955403 - 2⁶ = 30853955339 is a prime.

It is a super-3 number, since 3×30853955403³ (a number of 32 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (30853955203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576000 + ... + 627282.

It is an arithmetic number, because the mean of its divisors is an integer number (2857031640).

Almost surely, 2^30853955403 is an apocalyptic number.

30853955403 is a deficient number, since it is larger than the sum of its proper divisors (14858550837).

30853955403 is a wasteful number, since it uses less digits than its factorization.

30853955403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73575 (or 73569 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The spelling of 30853955403 in words is "thirty billion, eight hundred fifty-three million, nine hundred fifty-five thousand, four hundred three".