61765029446 has 4 divisors (see below), whose sum is σ = 92647544172. Its totient is φ = 30882514722.

The previous prime is 61765029439. The next prime is 61765029463. The reversal of 61765029446 is 64492056716.

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

It is a junction number, because it is equal to n+sod(n) for n = 61765029394 and 61765029403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15441257360 + ... + 15441257363.

It is an arithmetic number, because the mean of its divisors is an integer number (23161886043).

Almost surely, 2^61765029446 is an apocalyptic number.

61765029446 is a deficient number, since it is larger than the sum of its proper divisors (30882514726).

61765029446 is a wasteful number, since it uses less digits than its factorization.

61765029446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30882514725.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 61765029446 in words is "sixty-one billion, seven hundred sixty-five million, twenty-nine thousand, four hundred forty-six".