63940003037 has 4 divisors (see below), whose sum is σ = 64573072476. Its totient is φ = 63306933600.

The previous prime is 63940003027. The next prime is 63940003073. The reversal of 63940003037 is 73030004936.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52376441881 + 11563561156 = 228859^2 + 107534^2 .

It is a cyclic number.

It is not a de Polignac number, because 63940003037 - 2⁴ = 63940003021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63940002988 and 63940003006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63940003007) 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, 316534568 + ... + 316534769.

It is an arithmetic number, because the mean of its divisors is an integer number (16143268119).

Almost surely, 2^63940003037 is an apocalyptic number.

It is an amenable number.

63940003037 is a deficient number, since it is larger than the sum of its proper divisors (633069439).

63940003037 is a wasteful number, since it uses less digits than its factorization.

63940003037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633069438.

The product of its (nonzero) digits is 40824, while the sum is 35.

The spelling of 63940003037 in words is "sixty-three billion, nine hundred forty million, three thousand, thirty-seven".