61236634804 has 12 divisors (see below), whose sum is σ = 108520619200. Its totient is φ = 30230743608.

The previous prime is 61236634777. The next prime is 61236634831. The reversal of 61236634804 is 40843663216.

It is an interprime number because it is at equal distance from previous prime (61236634777) and next prime (61236634831).

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 in 3 ways as a sum of consecutive naturals, for example, 96893094 + ... + 96893725.

Almost surely, 2^61236634804 is an apocalyptic number.

It is an amenable number.

61236634804 is a deficient number, since it is larger than the sum of its proper divisors (47283984396).

61236634804 is a wasteful number, since it uses less digits than its factorization.

61236634804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193786902 (or 193786900 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 61236634804 in words is "sixty-one billion, two hundred thirty-six million, six hundred thirty-four thousand, eight hundred four".