61649314539206 has 8 divisors (see below), whose sum is σ = 92477842217904. Its totient is φ = 30823367133240.

The previous prime is 61649314539157. The next prime is 61649314539217. The reversal of 61649314539206 is 60293541394616.

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

It is a super-2 number, since 2×61649314539206² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645008450 + ... + 645104021.

It is an arithmetic number, because the mean of its divisors is an integer number (11559730277238).

Almost surely, 2^{61649314539206} is an apocalyptic number.

61649314539206 is a deficient number, since it is larger than the sum of its proper divisors (30828527678698).

61649314539206 is a wasteful number, since it uses less digits than its factorization.

61649314539206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290136366.

The product of its (nonzero) digits is 25194240, while the sum is 59.

The spelling of 61649314539206 in words is "sixty-one trillion, six hundred forty-nine billion, three hundred fourteen million, five hundred thirty-nine thousand, two hundred six".