65473199000 has 128 divisors (see below), whose sum is σ = 168454840320. Its totient is φ = 23620464000.

The previous prime is 65473198997. The next prime is 65473199039. The reversal of 65473199000 is 99137456.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1373567 + ... + 1420433.

It is an arithmetic number, because the mean of its divisors is an integer number (1316053440).

Almost surely, 2^65473199000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65473199000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84227420160).

65473199000 is an abundant number, since it is smaller than the sum of its proper divisors (102981641320).

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

65473199000 is a wasteful number, since it uses less digits than its factorization.

65473199000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47026 (or 47012 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 65473199000 in words is "sixty-five billion, four hundred seventy-three million, one hundred ninety-nine thousand".