1377466453507 has 4 divisors (see below), whose sum is σ = 1392943604760. Its totient is φ = 1361989302256.

The previous prime is 1377466453477. The next prime is 1377466453513. The reversal of 1377466453507 is 7053546647731.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1377466453507 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1377466453547) 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 3 ways as a sum of consecutive naturals, for example, 7738575493 + ... + 7738575670.

It is an arithmetic number, because the mean of its divisors is an integer number (348235901190).

Almost surely, 2^{1377466453507} is an apocalyptic number.

1377466453507 is a deficient number, since it is larger than the sum of its proper divisors (15477151253).

1377466453507 is an equidigital number, since it uses as much as digits as its factorization.

1377466453507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15477151252.

The product of its (nonzero) digits is 44452800, while the sum is 58.

The spelling of 1377466453507 in words is "one trillion, three hundred seventy-seven billion, four hundred sixty-six million, four hundred fifty-three thousand, five hundred seven".