1401283879 has 2 divisors, whose sum is σ = 1401283880. Its totient is φ = 1401283878.

The previous prime is 1401283861. The next prime is 1401283921. The reversal of 1401283879 is 9783821041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1401283879 - 2⁵ = 1401283847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401283679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700641939 + 700641940.

It is an arithmetic number, because the mean of its divisors is an integer number (700641940).

Almost surely, 2^1401283879 is an apocalyptic number.

1401283879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401283879 is an equidigital number, since it uses as much as digits as its factorization.

1401283879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 1401283879 is about 37433.7264909600. The cubic root of 1401283879 is about 1119.0308045623.

The spelling of 1401283879 in words is "one billion, four hundred one million, two hundred eighty-three thousand, eight hundred seventy-nine".