63690637484798 has 8 divisors (see below), whose sum is σ = 98617761266880. Its totient is φ = 30818050395840.

The previous prime is 63690637484777. The next prime is 63690637484801. The reversal of 63690637484798 is 89748473609636.

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

It is a super-2 number, since 2×63690637484798² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 513634173203 + ... + 513634173326.

It is an arithmetic number, because the mean of its divisors is an integer number (12327220158360).

Almost surely, 2^{63690637484798} is an apocalyptic number.

63690637484798 is a deficient number, since it is larger than the sum of its proper divisors (34927123782082).

63690637484798 is a wasteful number, since it uses less digits than its factorization.

63690637484798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027268346562.

The product of its (nonzero) digits is 7900913664, while the sum is 80.

The spelling of 63690637484798 in words is "sixty-three trillion, six hundred ninety billion, six hundred thirty-seven million, four hundred eighty-four thousand, seven hundred ninety-eight".