2086736542 has 48 divisors (see below), whose sum is σ = 3571225200. Its totient is φ = 906787200.

The previous prime is 2086736539. The next prime is 2086736543. The reversal of 2086736542 is 2456376802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086736543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1881084 + ... + 1882192.

It is an arithmetic number, because the mean of its divisors is an integer number (74400525).

Almost surely, 2^2086736542 is an apocalyptic number.

2086736542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2086736542 is a deficient number, since it is larger than the sum of its proper divisors (1484488658).

2086736542 is a wasteful number, since it uses less digits than its factorization.

2086736542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273 (or 1242 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 2086736542 is about 45680.8115295690. The cubic root of 2086736542 is about 1277.8774518950.

The spelling of 2086736542 in words is "two billion, eighty-six million, seven hundred thirty-six thousand, five hundred forty-two".