30709994055 has 16 divisors (see below), whose sum is σ = 52915682400. Its totient is φ = 15118766208.

The previous prime is 30709994053. The next prime is 30709994083. The reversal of 30709994055 is 55049990703.

It is a happy number.

It is not a de Polignac number, because 30709994055 - 2¹ = 30709994053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30709993989 and 30709994007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30709994053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78743380 + ... + 78743769.

It is an arithmetic number, because the mean of its divisors is an integer number (3307230150).

Almost surely, 2^30709994055 is an apocalyptic number.

30709994055 is a deficient number, since it is larger than the sum of its proper divisors (22205688345).

30709994055 is a wasteful number, since it uses less digits than its factorization.

30709994055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157487170.

The product of its (nonzero) digits is 1530900, while the sum is 51.

The spelling of 30709994055 in words is "thirty billion, seven hundred nine million, nine hundred ninety-four thousand, fifty-five".