63953442 has 64 divisors (see below), whose sum is σ = 164332800. Its totient is φ = 18057600.

The previous prime is 63953431. The next prime is 63953453. The reversal of 63953442 is 24435936.

It is an interprime number because it is at equal distance from previous prime (63953431) and next prime (63953453).

It is a junction number, because it is equal to n+sod(n) for n = 63953397 and 63953406.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32692 + ... + 34592.

It is an arithmetic number, because the mean of its divisors is an integer number (2567700).

Almost surely, 2^63953442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63953442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82166400).

63953442 is an abundant number, since it is smaller than the sum of its proper divisors (100379358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63953442 is a wasteful number, since it uses less digits than its factorization.

63953442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008 (or 2002 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 63953442 is about 7997.0895955966. The cubic root of 63953442 is about 399.9029806367.

The spelling of 63953442 in words is "sixty-three million, nine hundred fifty-three thousand, four hundred forty-two".