30872593541 has 2 divisors, whose sum is σ = 30872593542. Its totient is φ = 30872593540.

The previous prime is 30872593537. The next prime is 30872593547. The reversal of 30872593541 is 14539527803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19327950625 + 11544642916 = 139025^2 + 107446^2 .

It is an emirp because it is prime and its reverse (14539527803) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30872593541 - 2² = 30872593537 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30872593547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15436296770 + 15436296771.

It is an arithmetic number, because the mean of its divisors is an integer number (15436296771).

Almost surely, 2^30872593541 is an apocalyptic number.

It is an amenable number.

30872593541 is a deficient number, since it is larger than the sum of its proper divisors (1).

30872593541 is an equidigital number, since it uses as much as digits as its factorization.

30872593541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 30872593541 in words is "thirty billion, eight hundred seventy-two million, five hundred ninety-three thousand, five hundred forty-one".