1377421463 has 4 divisors (see below), whose sum is σ = 1502641608. Its totient is φ = 1252201320.

The previous prime is 1377421429. The next prime is 1377421469. The reversal of 1377421463 is 3641247731.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1377421463 - 2¹⁰ = 1377420439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377421469) 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, 62610056 + ... + 62610077.

It is an arithmetic number, because the mean of its divisors is an integer number (375660402).

Almost surely, 2^1377421463 is an apocalyptic number.

1377421463 is a deficient number, since it is larger than the sum of its proper divisors (125220145).

1377421463 is a wasteful number, since it uses less digits than its factorization.

1377421463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125220144.

The product of its digits is 84672, while the sum is 38.

The square root of 1377421463 is about 37113.6290734280. The cubic root of 1377421463 is about 1112.6424243530.

The spelling of 1377421463 in words is "one billion, three hundred seventy-seven million, four hundred twenty-one thousand, four hundred sixty-three".