63642790941 has 8 divisors (see below), whose sum is σ = 88546491840. Its totient is φ = 40583808672.

The previous prime is 63642790933. The next prime is 63642790957. The reversal of 63642790941 is 14909724636.

It is a happy number.

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

It is not a de Polignac number, because 63642790941 - 2³ = 63642790933 is a prime.

It is a super-3 number, since 3×63642790941³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63642790441) 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, 461179576 + ... + 461179713.

It is an arithmetic number, because the mean of its divisors is an integer number (11068311480).

Almost surely, 2^63642790941 is an apocalyptic number.

It is an amenable number.

63642790941 is a deficient number, since it is larger than the sum of its proper divisors (24903700899).

63642790941 is a wasteful number, since it uses less digits than its factorization.

63642790941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922359315.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 63642790941 in words is "sixty-three billion, six hundred forty-two million, seven hundred ninety thousand, nine hundred forty-one".