63151989505 has 8 divisors (see below), whose sum is σ = 82671695424. Its totient is φ = 45928719600.

The previous prime is 63151989503. The next prime is 63151989541. The reversal of 63151989505 is 50598915136.

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

It is not a de Polignac number, because 63151989505 - 2¹ = 63151989503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63151989503) 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, 574108941 + ... + 574109050.

It is an arithmetic number, because the mean of its divisors is an integer number (10333961928).

Almost surely, 2^63151989505 is an apocalyptic number.

It is an amenable number.

63151989505 is a deficient number, since it is larger than the sum of its proper divisors (19519705919).

63151989505 is a wasteful number, since it uses less digits than its factorization.

63151989505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148218007.

The product of its (nonzero) digits is 1458000, while the sum is 52.

The spelling of 63151989505 in words is "sixty-three billion, one hundred fifty-one million, nine hundred eighty-nine thousand, five hundred five".