10421256364 has 6 divisors (see below), whose sum is σ = 18237198644. Its totient is φ = 5210628180.

The previous prime is 10421256359. The next prime is 10421256367. The reversal of 10421256364 is 46365212401.

It is not an unprimeable number, because it can be changed into a prime (10421256367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302657042 + ... + 1302657049.

Almost surely, 2^10421256364 is an apocalyptic number.

It is an amenable number.

10421256364 is a deficient number, since it is larger than the sum of its proper divisors (7815942280).

10421256364 is a wasteful number, since it uses less digits than its factorization.

10421256364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605314095 (or 2605314093 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 10421256364 its reverse (46365212401), we get a palindrome (56786468765).

The spelling of 10421256364 in words is "ten billion, four hundred twenty-one million, two hundred fifty-six thousand, three hundred sixty-four".