5149273439542 has 32 divisors (see below), whose sum is σ = 7831191011328. Its totient is φ = 2539082700000.

The previous prime is 5149273439537. The next prime is 5149273439543. The reversal of 5149273439542 is 2459343729415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5149273439543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264448867 + ... + 264468337.

It is an arithmetic number, because the mean of its divisors is an integer number (244724719104).

Almost surely, 2^{5149273439542} is an apocalyptic number.

5149273439542 is a deficient number, since it is larger than the sum of its proper divisors (2681917571786).

5149273439542 is a wasteful number, since it uses less digits than its factorization.

5149273439542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24676.

The product of its digits is 32659200, while the sum is 58.

The spelling of 5149273439542 in words is "five trillion, one hundred forty-nine billion, two hundred seventy-three million, four hundred thirty-nine thousand, five hundred forty-two".