10401646365 has 24 divisors (see below), whose sum is σ = 19668568608. Its totient is φ = 5043222240.

The previous prime is 10401646363. The next prime is 10401646397. The reversal of 10401646365 is 56364610401.

It is a happy number.

10401646365 is a `hidden beast` number, since 1 + 0 + 4 + 0 + 1 + 646 + 3 + 6 + 5 = 666.

It is not a de Polignac number, because 10401646365 - 2¹ = 10401646363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10401646363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10506219 + ... + 10507208.

It is an arithmetic number, because the mean of its divisors is an integer number (819523692).

Almost surely, 2^10401646365 is an apocalyptic number.

10401646365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10401646365 is a deficient number, since it is larger than the sum of its proper divisors (9266922243).

10401646365 is a wasteful number, since it uses less digits than its factorization.

10401646365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21013449 (or 21013446 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

It can be divided in two parts, 1040164 and 6365, that added together give a square (1046529 = 1023²).

The spelling of 10401646365 in words is "ten billion, four hundred one million, six hundred forty-six thousand, three hundred sixty-five".