1401839051 has 2 divisors, whose sum is σ = 1401839052. Its totient is φ = 1401839050.

The previous prime is 1401839039. The next prime is 1401839071. The reversal of 1401839051 is 1509381041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1401839051 - 2¹⁸ = 1401576907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1401838999 and 1401839017.

It is not a weakly prime, because it can be changed into another prime (1401839071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700919525 + 700919526.

It is an arithmetic number, because the mean of its divisors is an integer number (700919526).

Almost surely, 2^1401839051 is an apocalyptic number.

1401839051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401839051 is an equidigital number, since it uses as much as digits as its factorization.

1401839051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 1401839051 is about 37441.1411551518. The cubic root of 1401839051 is about 1119.1785672801.

The spelling of 1401839051 in words is "one billion, four hundred one million, eight hundred thirty-nine thousand, fifty-one".