1403650465 has 16 divisors (see below), whose sum is σ = 1928176128. Its totient is φ = 960918336.

The previous prime is 1403650453. The next prime is 1403650481. The reversal of 1403650465 is 5640563041.

It is not a de Polignac number, because 1403650465 - 2⁷ = 1403650337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1403650465.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11257 + ... + 54166.

It is an arithmetic number, because the mean of its divisors is an integer number (120511008).

Almost surely, 2^1403650465 is an apocalyptic number.

It is an amenable number.

1403650465 is a deficient number, since it is larger than the sum of its proper divisors (524525663).

1403650465 is an equidigital number, since it uses as much as digits as its factorization.

1403650465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66048.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 1403650465 is about 37465.3235005385. The cubic root of 1403650465 is about 1119.6604160218.

The spelling of 1403650465 in words is "one billion, four hundred three million, six hundred fifty thousand, four hundred sixty-five".