61865207314394 has 16 divisors (see below), whose sum is σ = 101236910230656. Its totient is φ = 28119733605600.

The previous prime is 61865207314387. The next prime is 61865207314481. The reversal of 61865207314394 is 49341370256816.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39982187 + ... + 41500670.

It is an arithmetic number, because the mean of its divisors is an integer number (6327306889416).

It is a 1-persistent number, because it is pandigital, but 2⋅61865207314394 = 123730414628788 is not.

Almost surely, 2^{61865207314394} is an apocalyptic number.

61865207314394 is a deficient number, since it is larger than the sum of its proper divisors (39371702916262).

61865207314394 is a wasteful number, since it uses less digits than its factorization.

61865207314394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81517381.

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 61865207314394 in words is "sixty-one trillion, eight hundred sixty-five billion, two hundred seven million, three hundred fourteen thousand, three hundred ninety-four".