10297889721648 has 50 divisors (see below), whose sum is σ = 29805080517564. Its totient is φ = 3432629906784.

The previous prime is 10297889721643. The next prime is 10297889721649. The reversal of 10297889721648 is 84612798879201.

10297889721648 is a `hidden beast` number, since 1 + 0 + 297 + 8 + 89 + 7 + 216 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (10297889721643) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3972949986 + ... + 3972952577.

Almost surely, 2^{10297889721648} is an apocalyptic number.

10297889721648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10297889721648 is an abundant number, since it is smaller than the sum of its proper divisors (19507190795916).

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

10297889721648 is an equidigital number, since it uses as much as digits as its factorization.

10297889721648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7945902583 (or 7945902568 counting only the distinct ones).

The product of its (nonzero) digits is 195084288, while the sum is 72.

The spelling of 10297889721648 in words is "ten trillion, two hundred ninety-seven billion, eight hundred eighty-nine million, seven hundred twenty-one thousand, six hundred forty-eight".