1401171673 has 4 divisors (see below), whose sum is σ = 1528550928. Its totient is φ = 1273792420.

The previous prime is 1401171643. The next prime is 1401171683. The reversal of 1401171673 is 3761711041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1401171673 - 2¹³ = 1401163481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401171623) 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, 63689611 + ... + 63689632.

It is an arithmetic number, because the mean of its divisors is an integer number (382137732).

Almost surely, 2^1401171673 is an apocalyptic number.

It is an amenable number.

1401171673 is a deficient number, since it is larger than the sum of its proper divisors (127379255).

1401171673 is a wasteful number, since it uses less digits than its factorization.

1401171673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127379254.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 1401171673 is about 37432.2277322630. The cubic root of 1401171673 is about 1119.0009354487. Note that the first 3 decimals are identical.

The spelling of 1401171673 in words is "one billion, four hundred one million, one hundred seventy-one thousand, six hundred seventy-three".