61698733705 has 32 divisors (see below), whose sum is σ = 86966516736. Its totient is φ = 41143624704.

The previous prime is 61698733693. The next prime is 61698733717. The reversal of 61698733705 is 50733789616.

It is an interprime number because it is at equal distance from previous prime (61698733693) and next prime (61698733717).

It is not a de Polignac number, because 61698733705 - 2¹⁵ = 61698700937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138817 + ... + 377713.

It is an arithmetic number, because the mean of its divisors is an integer number (2717703648).

Almost surely, 2^61698733705 is an apocalyptic number.

It is an amenable number.

61698733705 is a deficient number, since it is larger than the sum of its proper divisors (25267783031).

61698733705 is a wasteful number, since it uses less digits than its factorization.

61698733705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239113.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 61698733705 in words is "sixty-one billion, six hundred ninety-eight million, seven hundred thirty-three thousand, seven hundred five".