63498456121 has 9 divisors (see below), whose sum is σ = 64608069733. Its totient is φ = 62407595740.

The previous prime is 63498456101. The next prime is 63498456149. The reversal of 63498456121 is 12165489436.

The square root of 63498456121 is 251989.

It is a perfect power (a square), and thus also a powerful number.

63498456121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63498456121 - 2⁹ = 63498455609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63498456101) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14865216 + ... + 14869486.

Almost surely, 2^63498456121 is an apocalyptic number.

63498456121 is the 251989-th square number.

63498456121 is the 125995-th centered octagonal number.

It is an amenable number.

63498456121 is a deficient number, since it is larger than the sum of its proper divisors (1109613612).

63498456121 is an frugal number, since it uses more digits than its factorization.

63498456121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8660 (or 4330 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

Multiplying 63498456121 by its sum of digits (49), we get a square (3111424349929 = 1763923²).

The spelling of 63498456121 in words is "sixty-three billion, four hundred ninety-eight million, four hundred fifty-six thousand, one hundred twenty-one".