186949488979425 has 12 divisors (see below), whose sum is σ = 309089821779440. Its totient is φ = 99706394122320.

The previous prime is 186949488979411. The next prime is 186949488979433. The reversal of 186949488979425 is 524979884949681.

It is not a de Polignac number, because 186949488979425 - 2⁶ = 186949488979361 is a prime.

It is a super-2 number, since 2×186949488979425² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1246329926455 + ... + 1246329926604.

Almost surely, 2^{186949488979425} is an apocalyptic number.

186949488979425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

186949488979425 is a deficient number, since it is larger than the sum of its proper divisors (122140332800015).

186949488979425 is a wasteful number, since it uses less digits than its factorization.

186949488979425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492659853072 (or 2492659853067 counting only the distinct ones).

The product of its digits is 90296156160, while the sum is 93.

The spelling of 186949488979425 in words is "one hundred eighty-six trillion, nine hundred forty-nine billion, four hundred eighty-eight million, nine hundred seventy-nine thousand, four hundred twenty-five".