2054263986 has 36 divisors (see below), whose sum is σ = 4714542846. Its totient is φ = 644226240.

The previous prime is 2054263979. The next prime is 2054263987. The reversal of 2054263986 is 6893624502.

2054263986 is a `hidden beast` number, since 2 + 0 + 5 + 4 + 2 + 639 + 8 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1510488225 + 543775761 = 38865^2 + 23319^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054263987) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 791551 + ... + 794141.

Almost surely, 2^2054263986 is an apocalyptic number.

2054263986 is an abundant number, since it is smaller than the sum of its proper divisors (2660278860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2054263986 is an equidigital number, since it uses as much as digits as its factorization.

2054263986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5207 (or 2613 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 2054263986 is about 45323.9890786325. The cubic root of 2054263986 is about 1271.2142448966.

The spelling of 2054263986 in words is "two billion, fifty-four million, two hundred sixty-three thousand, nine hundred eighty-six".