64346049718 has 32 divisors (see below), whose sum is σ = 97633014336. Its totient is φ = 31804553088.

The previous prime is 64346049661. The next prime is 64346049763. The reversal of 64346049718 is 81794064346.

It is a super-2 number, since 2×64346049718² (a number of 22 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 15 ways as a sum of consecutive naturals, for example, 63519780 + ... + 63520792.

It is an arithmetic number, because the mean of its divisors is an integer number (3051031698).

Almost surely, 2^64346049718 is an apocalyptic number.

64346049718 is a deficient number, since it is larger than the sum of its proper divisors (33286964618).

64346049718 is a wasteful number, since it uses less digits than its factorization.

64346049718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 64346049718 in words is "sixty-four billion, three hundred forty-six million, forty-nine thousand, seven hundred eighteen".