6446498998037 has 4 divisors (see below), whose sum is σ = 7367427426336. Its totient is φ = 5525570569740.

The previous prime is 6446498998001. The next prime is 6446498998063. The reversal of 6446498998037 is 7308998946446.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6446498998037 - 2²⁴ = 6446482220821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6446498998067) 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, 460464214139 + ... + 460464214152.

It is an arithmetic number, because the mean of its divisors is an integer number (1841856856584).

Almost surely, 2^{6446498998037} is an apocalyptic number.

It is an amenable number.

6446498998037 is a deficient number, since it is larger than the sum of its proper divisors (920928428299).

6446498998037 is an equidigital number, since it uses as much as digits as its factorization.

6446498998037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920928428298.

The product of its (nonzero) digits is 2257403904, while the sum is 77.

The spelling of 6446498998037 in words is "six trillion, four hundred forty-six billion, four hundred ninety-eight million, nine hundred ninety-eight thousand, thirty-seven".