63492121699 has 8 divisors (see below), whose sum is σ = 63609131520. Its totient is φ = 63375165000.

The previous prime is 63492121681. The next prime is 63492121709. The reversal of 63492121699 is 99612129436.

63492121699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-63492121699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63492121639) 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, 2987292 + ... + 3008470.

It is an arithmetic number, because the mean of its divisors is an integer number (7951141440).

Almost surely, 2^63492121699 is an apocalyptic number.

63492121699 is a deficient number, since it is larger than the sum of its proper divisors (117009821).

63492121699 is a wasteful number, since it uses less digits than its factorization.

63492121699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26561.

The product of its digits is 1259712, while the sum is 52.

The spelling of 63492121699 in words is "sixty-three billion, four hundred ninety-two million, one hundred twenty-one thousand, six hundred ninety-nine".