1401871793 has 16 divisors (see below), whose sum is σ = 1614624000. Its totient is φ = 1192280256.

The previous prime is 1401871771. The next prime is 1401871811. The reversal of 1401871793 is 3971781041.

It is a cyclic number.

It is not a de Polignac number, because 1401871793 - 2¹⁴ = 1401855409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1401871793.

It is not an unprimeable number, because it can be changed into a prime (1401871703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508583 + ... + 511331.

It is an arithmetic number, because the mean of its divisors is an integer number (100914000).

Almost surely, 2^1401871793 is an apocalyptic number.

It is an amenable number.

1401871793 is a deficient number, since it is larger than the sum of its proper divisors (212752207).

1401871793 is a wasteful number, since it uses less digits than its factorization.

1401871793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296.

The product of its (nonzero) digits is 42336, while the sum is 41.

The square root of 1401871793 is about 37441.5783988870. The cubic root of 1401871793 is about 1119.1872805627.

The spelling of 1401871793 in words is "one billion, four hundred one million, eight hundred seventy-one thousand, seven hundred ninety-three".