1421496379 has 2 divisors, whose sum is σ = 1421496380. Its totient is φ = 1421496378.

The previous prime is 1421496371. The next prime is 1421496383. The reversal of 1421496379 is 9736941241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1421496379 - 2³ = 1421496371 is a prime.

It is a super-2 number, since 2×1421496379² = 4041303911020223282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1421496371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710748189 + 710748190.

It is an arithmetic number, because the mean of its divisors is an integer number (710748190).

Almost surely, 2^1421496379 is an apocalyptic number.

1421496379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421496379 is an equidigital number, since it uses as much as digits as its factorization.

1421496379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 46.

The square root of 1421496379 is about 37702.7370226619. The cubic root of 1421496379 is about 1124.3855420502.

The spelling of 1421496379 in words is "one billion, four hundred twenty-one million, four hundred ninety-six thousand, three hundred seventy-nine".