19701463 has 2 divisors, whose sum is σ = 19701464. Its totient is φ = 19701462.

The previous prime is 19701449. The next prime is 19701467. The reversal of 19701463 is 36410791.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19701463 - 2⁵ = 19701431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19701467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9850731 + 9850732.

It is an arithmetic number, because the mean of its divisors is an integer number (9850732).

Almost surely, 2^19701463 is an apocalyptic number.

19701463 is a deficient number, since it is larger than the sum of its proper divisors (1).

19701463 is an equidigital number, since it uses as much as digits as its factorization.

19701463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 19701463 is about 4438.6330102859. The cubic root of 19701463 is about 270.0843951995.

It can be divided in two parts, 19701 and 463, that added together give a square (20164 = 142²).

The spelling of 19701463 in words is "nineteen million, seven hundred one thousand, four hundred sixty-three".