61514996589 has 32 divisors (see below), whose sum is σ = 93146423040. Its totient is φ = 40109000256.

The previous prime is 61514996567. The next prime is 61514996639. The reversal of 61514996589 is 98569941516.

61514996589 is a `hidden beast` number, since 6 + 1 + 5 + 1 + 49 + 9 + 6 + 589 = 666.

It is not a de Polignac number, because 61514996589 - 2¹³ = 61514988397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61514996089) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 385824 + ... + 521430.

It is an arithmetic number, because the mean of its divisors is an integer number (2910825720).

Almost surely, 2^61514996589 is an apocalyptic number.

It is an amenable number.

61514996589 is a deficient number, since it is larger than the sum of its proper divisors (31631426451).

61514996589 is a wasteful number, since it uses less digits than its factorization.

61514996589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135986 (or 135980 counting only the distinct ones).

The product of its digits is 20995200, while the sum is 63.

The spelling of 61514996589 in words is "sixty-one billion, five hundred fourteen million, nine hundred ninety-six thousand, five hundred eighty-nine".