6437147423550 has 48 divisors (see below), whose sum is σ = 16053310736640. Its totient is φ = 1706982847840.

The previous prime is 6437147423533. The next prime is 6437147423573. The reversal of 6437147423550 is 553247417346.

It is a junction number, because it is equal to n+sod(n) for n = 6437147423493 and 6437147423502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119845542 + ... + 119899241.

It is an arithmetic number, because the mean of its divisors is an integer number (334443973680).

Almost surely, 2^{6437147423550} is an apocalyptic number.

6437147423550 is an abundant number, since it is smaller than the sum of its proper divisors (9616163313090).

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

6437147423550 is a wasteful number, since it uses less digits than its factorization.

6437147423550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239744977 (or 239744972 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 51.

The spelling of 6437147423550 in words is "six trillion, four hundred thirty-seven billion, one hundred forty-seven million, four hundred twenty-three thousand, five hundred fifty".