2489486542 has 8 divisors (see below), whose sum is σ = 3753578736. Its totient is φ = 1238293632.

The previous prime is 2489486537. The next prime is 2489486543. The reversal of 2489486542 is 2456849842.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2489486542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489486543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3224338 + ... + 3225109.

It is an arithmetic number, because the mean of its divisors is an integer number (469197342).

Almost surely, 2^2489486542 is an apocalyptic number.

2489486542 is a deficient number, since it is larger than the sum of its proper divisors (1264092194).

2489486542 is a wasteful number, since it uses less digits than its factorization.

2489486542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6449642.

The product of its digits is 4423680, while the sum is 52.

The square root of 2489486542 is about 49894.7546541718. The cubic root of 2489486542 is about 1355.3036073893.

The spelling of 2489486542 in words is "two billion, four hundred eighty-nine million, four hundred eighty-six thousand, five hundred forty-two".