1373349749644 has 6 divisors (see below), whose sum is σ = 2403362061884. Its totient is φ = 686674874820.

The previous prime is 1373349749621. The next prime is 1373349749671. The reversal of 1373349749644 is 4469479433731.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171668718702 + ... + 171668718709.

Almost surely, 2^{1373349749644} is an apocalyptic number.

It is an amenable number.

1373349749644 is a deficient number, since it is larger than the sum of its proper divisors (1030012312240).

1373349749644 is a wasteful number, since it uses less digits than its factorization.

1373349749644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343337437415 (or 343337437413 counting only the distinct ones).

The product of its digits is 164602368, while the sum is 64.

The spelling of 1373349749644 in words is "one trillion, three hundred seventy-three billion, three hundred forty-nine million, seven hundred forty-nine thousand, six hundred forty-four".