63774523351 has 16 divisors (see below), whose sum is σ = 79516730880. Its totient is φ = 49690910880.

The previous prime is 63774523343. The next prime is 63774523357. The reversal of 63774523351 is 15332547736.

It is a cyclic number.

It is not a de Polignac number, because 63774523351 - 2³ = 63774523343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63774523357) 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, 1796310 + ... + 1831468.

It is an arithmetic number, because the mean of its divisors is an integer number (4969795680).

Almost surely, 2^63774523351 is an apocalyptic number.

63774523351 is a deficient number, since it is larger than the sum of its proper divisors (15742207529).

63774523351 is a wasteful number, since it uses less digits than its factorization.

63774523351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58734.

The product of its digits is 1587600, while the sum is 46.

The spelling of 63774523351 in words is "sixty-three billion, seven hundred seventy-four million, five hundred twenty-three thousand, three hundred fifty-one".