63432623437 has 16 divisors (see below), whose sum is σ = 65422389312. Its totient is φ = 61464458880.

The previous prime is 63432623407. The next prime is 63432623467. The reversal of 63432623437 is 73432623436.

It is an interprime number because it is at equal distance from previous prime (63432623407) and next prime (63432623467).

It is a cyclic number.

It is not a de Polignac number, because 63432623437 - 2¹⁹ = 63432099149 is a prime.

It is a super-2 number, since 2×63432623437² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63432623393 and 63432623402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63432623407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15749818 + ... + 15753844.

It is an arithmetic number, because the mean of its divisors is an integer number (4088899332).

Almost surely, 2^63432623437 is an apocalyptic number.

It is an amenable number.

63432623437 is a deficient number, since it is larger than the sum of its proper divisors (1989765875).

63432623437 is a wasteful number, since it uses less digits than its factorization.

63432623437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6588.

The product of its digits is 1306368, while the sum is 43.

Subtracting 63432623437 from its reverse (73432623436), we obtain a palindrome (9999999999).

The spelling of 63432623437 in words is "sixty-three billion, four hundred thirty-two million, six hundred twenty-three thousand, four hundred thirty-seven".