64705019350514 has 8 divisors (see below), whose sum is σ = 97057563174108. Its totient is φ = 32352498292480.

The previous prime is 64705019350417. The next prime is 64705019350547. The reversal of 64705019350514 is 41505391050746.

It can be written as a sum of positive squares in 2 ways, for example, as 63844174965025 + 860844385489 = 7990255^2 + 927817^2 .

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

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, 8040854 + ... + 13930734.

Almost surely, 2^{64705019350514} is an apocalyptic number.

64705019350514 is a deficient number, since it is larger than the sum of its proper divisors (32352543823594).

64705019350514 is a wasteful number, since it uses less digits than its factorization.

64705019350514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11382780.

The product of its (nonzero) digits is 2268000, while the sum is 50.

The spelling of 64705019350514 in words is "sixty-four trillion, seven hundred five billion, nineteen million, three hundred fifty thousand, five hundred fourteen".