1403653564 has 12 divisors (see below), whose sum is σ = 2461771984. Its totient is φ = 700290144.

The previous prime is 1403653561. The next prime is 1403653579. The reversal of 1403653564 is 4653563041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403653561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382104 + ... + 385759.

Almost surely, 2^1403653564 is an apocalyptic number.

It is an amenable number.

1403653564 is a deficient number, since it is larger than the sum of its proper divisors (1058118420).

1403653564 is a wasteful number, since it uses less digits than its factorization.

1403653564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768324 (or 768322 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 1403653564 is about 37465.3648587599. The cubic root of 1403653564 is about 1119.6612400220.

It can be divided in two parts, 14036 and 53564, that added together give a square (67600 = 260²).

The spelling of 1403653564 in words is "one billion, four hundred three million, six hundred fifty-three thousand, five hundred sixty-four".