28749461932031 has 2 divisors, whose sum is σ = 28749461932032. Its totient is φ = 28749461932030.

The previous prime is 28749461932021. The next prime is 28749461932057. The reversal of 28749461932031 is 13023916494782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28749461932031 - 2³⁸ = 28474584025087 is a prime.

It is a super-2 number, since 2×28749461932031² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28749461932001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14374730966015 + 14374730966016.

It is an arithmetic number, because the mean of its divisors is an integer number (14374730966016).

Almost surely, 2^{28749461932031} is an apocalyptic number.

28749461932031 is a deficient number, since it is larger than the sum of its proper divisors (1).

28749461932031 is an equidigital number, since it uses as much as digits as its factorization.

28749461932031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 28749461932031 in words is "twenty-eight trillion, seven hundred forty-nine billion, four hundred sixty-one million, nine hundred thirty-two thousand, thirty-one".