63942903 has 24 divisors (see below), whose sum is σ = 95331600. Its totient is φ = 41274240.

The previous prime is 63942877. The next prime is 63942929. The reversal of 63942903 is 30924936.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (63942877) and next prime (63942929).

It is not a de Polignac number, because 63942903 - 2⁶ = 63942839 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63942953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54400 + ... + 55562.

It is an arithmetic number, because the mean of its divisors is an integer number (3972150).

Almost surely, 2^63942903 is an apocalyptic number.

63942903 is a deficient number, since it is larger than the sum of its proper divisors (31388697).

63942903 is a wasteful number, since it uses less digits than its factorization.

63942903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359 (or 1356 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 63942903 is about 7996.4306412299. The cubic root of 63942903 is about 399.8810125251.

The spelling of 63942903 in words is "sixty-three million, nine hundred forty-two thousand, nine hundred three".