28315929041 has 2 divisors, whose sum is σ = 28315929042. Its totient is φ = 28315929040.

The previous prime is 28315929029. The next prime is 28315929043. The reversal of 28315929041 is 14092951382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24173719441 + 4142209600 = 155479^2 + 64360^2 .

It is a cyclic number.

It is not a de Polignac number, because 28315929041 - 2²⁶ = 28248820177 is a prime.

Together with 28315929043, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 28315928983 and 28315929001.

It is not a weakly prime, because it can be changed into another prime (28315929043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14157964520 + 14157964521.

It is an arithmetic number, because the mean of its divisors is an integer number (14157964521).

Almost surely, 2^28315929041 is an apocalyptic number.

It is an amenable number.

28315929041 is a deficient number, since it is larger than the sum of its proper divisors (1).

28315929041 is an equidigital number, since it uses as much as digits as its factorization.

28315929041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 28315929041 in words is "twenty-eight billion, three hundred fifteen million, nine hundred twenty-nine thousand, forty-one".