61790811413 has 8 divisors (see below), whose sum is σ = 62037493056. Its totient is φ = 61544219200.

The previous prime is 61790811409. The next prime is 61790811443. The reversal of 61790811413 is 31411809716.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61790811413 - 2² = 61790811409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61790811443) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1593293 + ... + 1631613.

It is an arithmetic number, because the mean of its divisors is an integer number (7754686632).

Almost surely, 2^61790811413 is an apocalyptic number.

It is an amenable number.

61790811413 is a deficient number, since it is larger than the sum of its proper divisors (246681643).

61790811413 is a wasteful number, since it uses less digits than its factorization.

61790811413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44715.

The product of its (nonzero) digits is 36288, while the sum is 41.

The spelling of 61790811413 in words is "sixty-one billion, seven hundred ninety million, eight hundred eleven thousand, four hundred thirteen".