63240491519 has 8 divisors (see below), whose sum is σ = 64208441952. Its totient is φ = 62275288320.

The previous prime is 63240491477. The next prime is 63240491527. The reversal of 63240491519 is 91519404236.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63240491519 is a prime.

It is a super-2 number, since 2×63240491519² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63240491519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63240491599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640394 + ... + 732519.

It is an arithmetic number, because the mean of its divisors is an integer number (8026055244).

Almost surely, 2^63240491519 is an apocalyptic number.

63240491519 is a deficient number, since it is larger than the sum of its proper divisors (967950433).

63240491519 is a wasteful number, since it uses less digits than its factorization.

63240491519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373617.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 63240491519 in words is "sixty-three billion, two hundred forty million, four hundred ninety-one thousand, five hundred nineteen".