2197902004650 has 480 divisors, whose sum is σ = 6790258252800. Its totient is φ = 522615542400.

The previous prime is 2197902004631. The next prime is 2197902004651. The reversal of 2197902004650 is 564002097912.

It is a super-3 number, since 3×2197902004650³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 2197902004596 and 2197902004605.

It is not an unprimeable number, because it can be changed into a prime (2197902004651) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 1889854969 + ... + 1889856131.

It is an arithmetic number, because the mean of its divisors is an integer number (14146371360).

Almost surely, 2^{2197902004650} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2197902004650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3395129126400).

2197902004650 is an abundant number, since it is smaller than the sum of its proper divisors (4592356248150).

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

2197902004650 is a wasteful number, since it uses less digits than its factorization.

2197902004650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976 (or 1962 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 2197902004650 in words is "two trillion, one hundred ninety-seven billion, nine hundred two million, four thousand, six hundred fifty".