61376523434 has 4 divisors (see below), whose sum is σ = 92064785154. Its totient is φ = 30688261716.

The previous prime is 61376523433. The next prime is 61376523463. The reversal of 61376523434 is 43432567316.

61376523434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 39482882209 + 21893641225 = 198703^2 + 147965^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61376523433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15344130857 + ... + 15344130860.

Almost surely, 2^61376523434 is an apocalyptic number.

61376523434 is a deficient number, since it is larger than the sum of its proper divisors (30688261720).

61376523434 is a wasteful number, since it uses less digits than its factorization.

61376523434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30688261719.

The product of its digits is 1088640, while the sum is 44.

The spelling of 61376523434 in words is "sixty-one billion, three hundred seventy-six million, five hundred twenty-three thousand, four hundred thirty-four".