61794395542 has 16 divisors (see below), whose sum is σ = 101187460800. Its totient is φ = 28069095240.

The previous prime is 61794395491. The next prime is 61794395557. The reversal of 61794395542 is 24559349716.

It is a super-2 number, since 2×61794395542² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930492 + ... + 994687.

It is an arithmetic number, because the mean of its divisors is an integer number (6324216300).

Almost surely, 2^61794395542 is an apocalyptic number.

61794395542 is a deficient number, since it is larger than the sum of its proper divisors (39393065258).

61794395542 is a wasteful number, since it uses less digits than its factorization.

61794395542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926651.

The product of its digits is 8164800, while the sum is 55.

The spelling of 61794395542 in words is "sixty-one billion, seven hundred ninety-four million, three hundred ninety-five thousand, five hundred forty-two".