1491049035148 has 12 divisors (see below), whose sum is σ = 2609674608240. Its totient is φ = 745427718512.

The previous prime is 1491049035143. The next prime is 1491049035173. The reversal of 1491049035148 is 8415309401941.

It is not an unprimeable number, because it can be changed into a prime (1491049035143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24165103 + ... + 24226726.

It is an arithmetic number, because the mean of its divisors is an integer number (217472884020).

Almost surely, 2^{1491049035148} is an apocalyptic number.

It is an amenable number.

1491049035148 is a deficient number, since it is larger than the sum of its proper divisors (1118625573092).

1491049035148 is a wasteful number, since it uses less digits than its factorization.

1491049035148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48399536 (or 48399534 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 1491049035148 in words is "one trillion, four hundred ninety-one billion, forty-nine million, thirty-five thousand, one hundred forty-eight".