258152850819 has 16 divisors (see below), whose sum is σ = 385368128640. Its totient is φ = 170788143240.

The previous prime is 258152850817. The next prime is 258152850941. The reversal of 258152850819 is 918058251852.

258152850819 is a `hidden beast` number, since 2 + 5 + 81 + 52 + 8 + 508 + 1 + 9 = 666.

It is not a de Polignac number, because 258152850819 - 2¹ = 258152850817 is a prime.

It is a super-2 number, since 2×258152850819² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (258152850811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36489657 + ... + 36496730.

It is an arithmetic number, because the mean of its divisors is an integer number (24085508040).

Almost surely, 2^258152850819 is an apocalyptic number.

258152850819 is a deficient number, since it is larger than the sum of its proper divisors (127215277821).

258152850819 is a wasteful number, since it uses less digits than its factorization.

258152850819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72986527 (or 72986521 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 54.

The spelling of 258152850819 in words is "two hundred fifty-eight billion, one hundred fifty-two million, eight hundred fifty thousand, eight hundred nineteen".