6498991950 has 48 divisors (see below), whose sum is σ = 17582731776. Its totient is φ = 1575512800.

The previous prime is 6498991937. The next prime is 6498991963. The reversal of 6498991950 is 591998946.

It is an interprime number because it is at equal distance from previous prime (6498991937) and next prime (6498991963).

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, 1967742 + ... + 1971041.

It is an arithmetic number, because the mean of its divisors is an integer number (366306912).

Almost surely, 2^6498991950 is an apocalyptic number.

6498991950 is an abundant number, since it is smaller than the sum of its proper divisors (11083739826).

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

6498991950 is a wasteful number, since it uses less digits than its factorization.

6498991950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3938809 (or 3938804 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 60.

The square root of 6498991950 is about 80616.3255798725. The cubic root of 6498991950 is about 1866.1590975780.

The spelling of 6498991950 in words is "six billion, four hundred ninety-eight million, nine hundred ninety-one thousand, nine hundred fifty".