30945197147046 has 192 divisors, whose sum is σ = 78843053721600. Its totient is φ = 8023605085440.

The previous prime is 30945197147003. The next prime is 30945197147063. The reversal of 30945197147046 is 64074179154903.

It is a super-2 number, since 2×30945197147046² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 486535555 + ... + 486599153.

It is an arithmetic number, because the mean of its divisors is an integer number (410640904800).

Almost surely, 2^{30945197147046} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30945197147046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39421526860800).

30945197147046 is an abundant number, since it is smaller than the sum of its proper divisors (47897856574554).

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

30945197147046 is a wasteful number, since it uses less digits than its factorization.

30945197147046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65779 (or 65772 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 30945197147046 in words is "thirty trillion, nine hundred forty-five billion, one hundred ninety-seven million, one hundred forty-seven thousand, forty-six".