1454806649 has 16 divisors (see below), whose sum is σ = 1636951680. Its totient is φ = 1286144640.

The previous prime is 1454806643. The next prime is 1454806669. The reversal of 1454806649 is 9466084541.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1454806649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1454806643) 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, 22682 + ... + 58515.

It is an arithmetic number, because the mean of its divisors is an integer number (102309480).

Almost surely, 2^1454806649 is an apocalyptic number.

1454806649 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1454806649 is a deficient number, since it is larger than the sum of its proper divisors (182145031).

1454806649 is a wasteful number, since it uses less digits than its factorization.

1454806649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81280.

The product of its (nonzero) digits is 829440, while the sum is 47.

The square root of 1454806649 is about 38141.9277042994. The cubic root of 1454806649 is about 1133.1004858336.

The spelling of 1454806649 in words is "one billion, four hundred fifty-four million, eight hundred six thousand, six hundred forty-nine".