2147461537542 has 16 divisors (see below), whose sum is σ = 4295147197440. Its totient is φ = 715783158792.

The previous prime is 2147461537537. The next prime is 2147461537549. The reversal of 2147461537542 is 2457351647412.

It is a super-2 number, since 2×2147461537542² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147461537549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9213742 + ... + 9443937.

It is an arithmetic number, because the mean of its divisors is an integer number (268446699840).

Almost surely, 2^{2147461537542} is an apocalyptic number.

2147461537542 is an abundant number, since it is smaller than the sum of its proper divisors (2147685659898).

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

2147461537542 is a wasteful number, since it uses less digits than its factorization.

2147461537542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18676867.

The product of its digits is 5644800, while the sum is 51.

The spelling of 2147461537542 in words is "two trillion, one hundred forty-seven billion, four hundred sixty-one million, five hundred thirty-seven thousand, five hundred forty-two".