64341550493 has 4 divisors (see below), whose sum is σ = 70190782368. Its totient is φ = 58492318620.

The previous prime is 64341550487. The next prime is 64341550499. The reversal of 64341550493 is 39405514346.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (64341550487) and next prime (64341550499).

It is a cyclic number.

It is not a de Polignac number, because 64341550493 - 2¹⁰ = 64341549469 is a prime.

It is a super-3 number, since 3×64341550493³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64341550499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2924615921 + ... + 2924615942.

It is an arithmetic number, because the mean of its divisors is an integer number (17547695592).

Almost surely, 2^64341550493 is an apocalyptic number.

It is an amenable number.

64341550493 is a deficient number, since it is larger than the sum of its proper divisors (5849231875).

64341550493 is a wasteful number, since it uses less digits than its factorization.

64341550493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5849231874.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 64341550493 in words is "sixty-four billion, three hundred forty-one million, five hundred fifty thousand, four hundred ninety-three".