63901286549 has 8 divisors (see below), whose sum is σ = 64330777728. Its totient is φ = 63473184000.

The previous prime is 63901286539. The next prime is 63901286573. The reversal of 63901286549 is 94568210936.

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-63901286549 is a prime.

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 63901286549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63901286539) 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, 254732 + ... + 438965.

It is an arithmetic number, because the mean of its divisors is an integer number (8041347216).

Almost surely, 2^63901286549 is an apocalyptic number.

It is an amenable number.

63901286549 is a deficient number, since it is larger than the sum of its proper divisors (429491179).

63901286549 is a wasteful number, since it uses less digits than its factorization.

63901286549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694315.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 63901286549 in words is "sixty-three billion, nine hundred one million, two hundred eighty-six thousand, five hundred forty-nine".