1400012819 has 2 divisors, whose sum is σ = 1400012820. Its totient is φ = 1400012818.

The previous prime is 1400012807. The next prime is 1400012827. The reversal of 1400012819 is 9182100041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1400012819 - 2⁸ = 1400012563 is a prime.

It is a super-2 number, since 2×1400012819² = 3920071786728653522, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1400012869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700006409 + 700006410.

It is an arithmetic number, because the mean of its divisors is an integer number (700006410).

Almost surely, 2^1400012819 is an apocalyptic number.

1400012819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400012819 is an equidigital number, since it uses as much as digits as its factorization.

1400012819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 1400012819 is about 37416.7451684403. The cubic root of 1400012819 is about 1118.6923564694.

The spelling of 1400012819 in words is "one billion, four hundred million, twelve thousand, eight hundred nineteen".