28392151297 has 2 divisors, whose sum is σ = 28392151298. Its totient is φ = 28392151296.

The previous prime is 28392151289. The next prime is 28392151331. The reversal of 28392151297 is 79215129382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28321187521 + 70963776 = 168289^2 + 8424^2 .

It is a cyclic number.

It is not a de Polignac number, because 28392151297 - 2³ = 28392151289 is a prime.

It is a super-2 number, since 2×28392151297² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28392151297.

It is not a weakly prime, because it can be changed into another prime (28392151237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14196075648 + 14196075649.

It is an arithmetic number, because the mean of its divisors is an integer number (14196075649).

Almost surely, 2^28392151297 is an apocalyptic number.

It is an amenable number.

28392151297 is a deficient number, since it is larger than the sum of its proper divisors (1).

28392151297 is an equidigital number, since it uses as much as digits as its factorization.

28392151297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 49.

The spelling of 28392151297 in words is "twenty-eight billion, three hundred ninety-two million, one hundred fifty-one thousand, two hundred ninety-seven".