61359100774 has 4 divisors (see below), whose sum is σ = 92038651164. Its totient is φ = 30679550386.

The previous prime is 61359100757. The next prime is 61359100787. The reversal of 61359100774 is 47700195316.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×61359100774³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61359100774.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15339775192 + ... + 15339775195.

It is an arithmetic number, because the mean of its divisors is an integer number (23009662791).

Almost surely, 2^61359100774 is an apocalyptic number.

61359100774 is a deficient number, since it is larger than the sum of its proper divisors (30679550390).

61359100774 is a wasteful number, since it uses less digits than its factorization.

61359100774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30679550389.

The product of its (nonzero) digits is 158760, while the sum is 43.

The spelling of 61359100774 in words is "sixty-one billion, three hundred fifty-nine million, one hundred thousand, seven hundred seventy-four".