30753345893 has 2 divisors, whose sum is σ = 30753345894. Its totient is φ = 30753345892.

The previous prime is 30753345811. The next prime is 30753345901. The reversal of 30753345893 is 39854335703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16396034209 + 14357311684 = 128047^2 + 119822^2 .

It is a cyclic number.

It is not a de Polignac number, because 30753345893 - 2¹² = 30753341797 is a prime.

It is a super-2 number, since 2×30753345893² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30753345193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15376672946 + 15376672947.

It is an arithmetic number, because the mean of its divisors is an integer number (15376672947).

Almost surely, 2^30753345893 is an apocalyptic number.

It is an amenable number.

30753345893 is a deficient number, since it is larger than the sum of its proper divisors (1).

30753345893 is an equidigital number, since it uses as much as digits as its factorization.

30753345893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4082400, while the sum is 50.

The spelling of 30753345893 in words is "thirty billion, seven hundred fifty-three million, three hundred forty-five thousand, eight hundred ninety-three".