641403201465 has 96 divisors (see below), whose sum is σ = 1262899572480. Its totient is φ = 298531588608.

The previous prime is 641403201463. The next prime is 641403201553. The reversal of 641403201465 is 564102304146.

641403201465 is a `hidden beast` number, since 6 + 4 + 1 + 403 + 201 + 46 + 5 = 666.

It is not a de Polignac number, because 641403201465 - 2¹ = 641403201463 is a prime.

It is a super-2 number, since 2×641403201465² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641403201463) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5353759 + ... + 5472251.

It is an arithmetic number, because the mean of its divisors is an integer number (13155203880).

Almost surely, 2^641403201465 is an apocalyptic number.

641403201465 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

641403201465 is a deficient number, since it is larger than the sum of its proper divisors (621496371015).

641403201465 is a wasteful number, since it uses less digits than its factorization.

641403201465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119023 (or 119020 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 641403201465 in words is "six hundred forty-one billion, four hundred three million, two hundred one thousand, four hundred sixty-five".