1491194295 has 12 divisors (see below), whose sum is σ = 2584736856. Its totient is φ = 795303600.

The previous prime is 1491194293. The next prime is 1491194323. The reversal of 1491194295 is 5924911941.

It is not a de Polignac number, because 1491194295 - 2¹ = 1491194293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 33137651 = 1491194295 / (1 + 4 + 9 + 1 + 1 + 9 + 4 + 2 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 1491194295.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1491194293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16568781 + ... + 16568870.

It is an arithmetic number, because the mean of its divisors is an integer number (215394738).

Almost surely, 2^1491194295 is an apocalyptic number.

1491194295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1491194295 is a deficient number, since it is larger than the sum of its proper divisors (1093542561).

1491194295 is a wasteful number, since it uses less digits than its factorization.

1491194295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33137662 (or 33137659 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 1491194295 is about 38615.9849673681. The cubic root of 1491194295 is about 1142.4698413706.

The spelling of 1491194295 in words is "one billion, four hundred ninety-one million, one hundred ninety-four thousand, two hundred ninety-five".