63769431480 has 64 divisors (see below), whose sum is σ = 192070569600. Its totient is φ = 16937424000.

The previous prime is 63769431469. The next prime is 63769431487. The reversal of 63769431480 is 8413496736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63769431487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1028470 + ... + 1088709.

It is an arithmetic number, because the mean of its divisors is an integer number (3001102650).

Almost surely, 2^63769431480 is an apocalyptic number.

63769431480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63769431480 is an abundant number, since it is smaller than the sum of its proper divisors (128301138120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63769431480 is a wasteful number, since it uses less digits than its factorization.

63769431480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117444 (or 2117440 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 63769431480 in words is "sixty-three billion, seven hundred sixty-nine million, four hundred thirty-one thousand, four hundred eighty".