1494495651 has 8 divisors (see below), whose sum is σ = 2173811904. Its totient is φ = 905754920.

The previous prime is 1494495641. The next prime is 1494495661. The reversal of 1494495651 is 1565944941.

It is an interprime number because it is at equal distance from previous prime (1494495641) and next prime (1494495661).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1494495651 - 2¹⁴ = 1494479267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1494495651.

It is not an unprimeable number, because it can be changed into a prime (1494495641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22643841 + ... + 22643906.

It is an arithmetic number, because the mean of its divisors is an integer number (271726488).

Almost surely, 2^1494495651 is an apocalyptic number.

1494495651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1494495651 is a deficient number, since it is larger than the sum of its proper divisors (679316253).

1494495651 is a wasteful number, since it uses less digits than its factorization.

1494495651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45287761.

The product of its digits is 777600, while the sum is 48.

The square root of 1494495651 is about 38658.7073115488. The cubic root of 1494495651 is about 1143.3123248545.

The spelling of 1494495651 in words is "one billion, four hundred ninety-four million, four hundred ninety-five thousand, six hundred fifty-one".