30351752485 has 16 divisors (see below), whose sum is σ = 38698052400. Its totient is φ = 22853065728.

The previous prime is 30351752429. The next prime is 30351752491. The reversal of 30351752485 is 58425715303.

It can be written as a sum of positive squares in 8 ways, for example, as 536478244 + 29815274241 = 23162^2 + 172671^2 .

It is not a de Polignac number, because 30351752485 - 2¹¹ = 30351750437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 593220 + ... + 642349.

It is an arithmetic number, because the mean of its divisors is an integer number (2418628275).

Almost surely, 2^30351752485 is an apocalyptic number.

It is an amenable number.

30351752485 is a deficient number, since it is larger than the sum of its proper divisors (8346299915).

30351752485 is an equidigital number, since it uses as much as digits as its factorization.

30351752485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235625 (or 1235591 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 30351752485 in words is "thirty billion, three hundred fifty-one million, seven hundred fifty-two thousand, four hundred eighty-five".