10213621641 has 16 divisors (see below), whose sum is σ = 16021368000. Its totient is φ = 6408546624.

The previous prime is 10213621633. The next prime is 10213621699. The reversal of 10213621641 is 14612631201.

It is a happy number.

10213621641 is a `hidden beast` number, since 1 + 0 + 2 + 13 + 6 + 2 + 1 + 641 = 666.

It is not a de Polignac number, because 10213621641 - 2³ = 10213621633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10213621631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11125491 + ... + 11126408.

It is an arithmetic number, because the mean of its divisors is an integer number (1001335500).

Almost surely, 2^10213621641 is an apocalyptic number.

It is an amenable number.

10213621641 is a deficient number, since it is larger than the sum of its proper divisors (5807746359).

10213621641 is a wasteful number, since it uses less digits than its factorization.

10213621641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22251925 (or 22251919 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 10213621641 in words is "ten billion, two hundred thirteen million, six hundred twenty-one thousand, six hundred forty-one".