30812753029450 has 24 divisors (see below), whose sum is σ = 65499109297632. Its totient is φ = 10564372467120.

The previous prime is 30812753029447. The next prime is 30812753029453. The reversal of 30812753029450 is 5492035721803.

It is an interprime number because it is at equal distance from previous prime (30812753029447) and next prime (30812753029453).

It is a junction number, because it is equal to n+sod(n) for n = 30812753029394 and 30812753029403.

It is not an unprimeable number, because it can be changed into a prime (30812753029453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44018218264 + ... + 44018218963.

It is an arithmetic number, because the mean of its divisors is an integer number (2729129554068).

Almost surely, 2^{30812753029450} is an apocalyptic number.

30812753029450 is an abundant number, since it is smaller than the sum of its proper divisors (34686356268182).

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

30812753029450 is a wasteful number, since it uses less digits than its factorization.

30812753029450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88036437246 (or 88036437241 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 30812753029450 in words is "thirty trillion, eight hundred twelve billion, seven hundred fifty-three million, twenty-nine thousand, four hundred fifty".