1478137049674 has 4 divisors (see below), whose sum is σ = 2217205574514. Its totient is φ = 739068524836.

The previous prime is 1478137049657. The next prime is 1478137049687. The reversal of 1478137049674 is 4769407318741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1429806105025 + 48330944649 = 1195745^2 + 219843^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369534262417 + ... + 369534262420.

Almost surely, 2^{1478137049674} is an apocalyptic number.

1478137049674 is a deficient number, since it is larger than the sum of its proper divisors (739068524840).

1478137049674 is an equidigital number, since it uses as much as digits as its factorization.

1478137049674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739068524839.

The product of its (nonzero) digits is 28449792, while the sum is 61.

The spelling of 1478137049674 in words is "one trillion, four hundred seventy-eight billion, one hundred thirty-seven million, forty-nine thousand, six hundred seventy-four".