1405033749 has 16 divisors (see below), whose sum is σ = 2378893440. Its totient is φ = 802876320.

The previous prime is 1405033733. The next prime is 1405033753. The reversal of 1405033749 is 9473305041.

1405033749 is a `hidden beast` number, since 140 + 503 + 3 + 7 + 4 + 9 = 666.

It is not a de Polignac number, because 1405033749 - 2⁴ = 1405033733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405033549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3716832 + ... + 3717209.

It is an arithmetic number, because the mean of its divisors is an integer number (148680840).

Almost surely, 2^1405033749 is an apocalyptic number.

It is an amenable number.

1405033749 is a deficient number, since it is larger than the sum of its proper divisors (973859691).

1405033749 is an equidigital number, since it uses as much as digits as its factorization.

1405033749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7434057 (or 7434051 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 1405033749 is about 37483.7798120734. The cubic root of 1405033749 is about 1120.0281001134.

The spelling of 1405033749 in words is "one billion, four hundred five million, thirty-three thousand, seven hundred forty-nine".