1494901749 has 16 divisors (see below), whose sum is σ = 2302309440. Its totient is φ = 852706560.

The previous prime is 1494901699. The next prime is 1494901763. The reversal of 1494901749 is 9471094941.

It is not a de Polignac number, because 1494901749 - 2¹³ = 1494893557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1494901698 and 1494901707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494901769) 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 15 ways as a sum of consecutive naturals, for example, 1331794 + ... + 1332915.

It is an arithmetic number, because the mean of its divisors is an integer number (143894340).

Almost surely, 2^1494901749 is an apocalyptic number.

It is an amenable number.

1494901749 is a deficient number, since it is larger than the sum of its proper divisors (807407691).

1494901749 is a wasteful number, since it uses less digits than its factorization.

1494901749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664740.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 1494901749 is about 38663.9593032064. The cubic root of 1494901749 is about 1143.4158725631.

The spelling of 1494901749 in words is "one billion, four hundred ninety-four million, nine hundred one thousand, seven hundred forty-nine".