1494748501938 has 12 divisors (see below), whose sum is σ = 3238621754238. Its totient is φ = 498249500640.

The previous prime is 1494748501913. The next prime is 1494748501951. The reversal of 1494748501938 is 8391058474941.

1494748501938 is a `hidden beast` number, since 1 + 4 + 94 + 7 + 4 + 8 + 501 + 9 + 38 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1494513585009 + 234916929 = 1222503^2 + 15327^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41520791703 + ... + 41520791738.

Almost surely, 2^{1494748501938} is an apocalyptic number.

1494748501938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1494748501938 is an abundant number, since it is smaller than the sum of its proper divisors (1743873252300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1494748501938 is a wasteful number, since it uses less digits than its factorization.

1494748501938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83041583449 (or 83041583446 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The spelling of 1494748501938 in words is "one trillion, four hundred ninety-four billion, seven hundred forty-eight million, five hundred one thousand, nine hundred thirty-eight".