186949053 has 30 divisors (see below), whose sum is σ = 286455642. Its totient is φ = 121504320.

The previous prime is 186949031. The next prime is 186949069. The reversal of 186949053 is 350949681.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 5184729 + 181764324 = 2277^2 + 13482^2 .

It is not a de Polignac number, because 186949053 - 2¹⁰ = 186948029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (186949013) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 135475 + ... + 136847.

Almost surely, 2^186949053 is an apocalyptic number.

It is an amenable number.

186949053 is a deficient number, since it is larger than the sum of its proper divisors (99506589).

186949053 is an equidigital number, since it uses as much as digits as its factorization.

186949053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467 (or 1417 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 186949053 is about 13672.9313974729. The cubic root of 186949053 is about 571.7959696217.

The spelling of 186949053 in words is "one hundred eighty-six million, nine hundred forty-nine thousand, fifty-three".