30644534747425 has 48 divisors (see below), whose sum is σ = 42558917840640. Its totient is φ = 21768001136640.

The previous prime is 30644534747389. The next prime is 30644534747461. The reversal of 30644534747425 is 52474743544603.

It is an interprime number because it is at equal distance from previous prime (30644534747389) and next prime (30644534747461).

It is not a de Polignac number, because 30644534747425 - 2¹⁵ = 30644534714657 is a prime.

It is a super-3 number, since 3×30644534747425³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 30644534747425.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20758965 + ... + 22186114.

It is an arithmetic number, because the mean of its divisors is an integer number (886644121680).

Almost surely, 2^{30644534747425} is an apocalyptic number.

It is an amenable number.

30644534747425 is a deficient number, since it is larger than the sum of its proper divisors (11914383093215).

30644534747425 is a wasteful number, since it uses less digits than its factorization.

30644534747425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42945202 (or 42945197 counting only the distinct ones).

The product of its (nonzero) digits is 135475200, while the sum is 58.

The spelling of 30644534747425 in words is "thirty trillion, six hundred forty-four billion, five hundred thirty-four million, seven hundred forty-seven thousand, four hundred twenty-five".