1394700019 has 2 divisors, whose sum is σ = 1394700020. Its totient is φ = 1394700018.

The previous prime is 1394699981. The next prime is 1394700023. The reversal of 1394700019 is 9100074931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1394700019 - 2¹⁵ = 1394667251 is a prime.

It is a super-2 number, since 2×1394700019² = 3890376285997200722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1394701019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697350009 + 697350010.

It is an arithmetic number, because the mean of its divisors is an integer number (697350010).

Almost surely, 2^1394700019 is an apocalyptic number.

1394700019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1394700019 is an equidigital number, since it uses as much as digits as its factorization.

1394700019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 1394700019 is about 37345.6827357594. The cubic root of 1394700019 is about 1117.2754830914.

The spelling of 1394700019 in words is "one billion, three hundred ninety-four million, seven hundred thousand, nineteen".