63962428773 has 4 divisors (see below), whose sum is σ = 85283238368. Its totient is φ = 42641619180.

The previous prime is 63962428771. The next prime is 63962428813. The reversal of 63962428773 is 37782426936.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 63962428773 - 2¹ = 63962428771 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 (63962428771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10660404793 + ... + 10660404798.

It is an arithmetic number, because the mean of its divisors is an integer number (21320809592).

Almost surely, 2^63962428773 is an apocalyptic number.

It is an amenable number.

63962428773 is a deficient number, since it is larger than the sum of its proper divisors (21320809595).

63962428773 is a wasteful number, since it uses less digits than its factorization.

63962428773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21320809594.

The product of its digits is 18289152, while the sum is 57.

The spelling of 63962428773 in words is "sixty-three billion, nine hundred sixty-two million, four hundred twenty-eight thousand, seven hundred seventy-three".