30294645381 has 192 divisors, whose sum is σ = 62659215360. Its totient is φ = 14213646720.

The previous prime is 30294645379. The next prime is 30294645397. The reversal of 30294645381 is 18354649203.

30294645381 is a `hidden beast` number, since 30 + 2 + 94 + 6 + 453 + 81 = 666.

It is not a de Polignac number, because 30294645381 - 2¹ = 30294645379 is a prime.

It is a super-2 number, since 2×30294645381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30294645301) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 8890180 + ... + 8893586.

It is an arithmetic number, because the mean of its divisors is an integer number (326350080).

Almost surely, 2^30294645381 is an apocalyptic number.

It is an amenable number.

30294645381 is an abundant number, since it is smaller than the sum of its proper divisors (32364569979).

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

30294645381 is a wasteful number, since it uses less digits than its factorization.

30294645381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3501 (or 3488 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 30294645381 in words is "thirty billion, two hundred ninety-four million, six hundred forty-five thousand, three hundred eighty-one".