463692421 has 2 divisors, whose sum is σ = 463692422. Its totient is φ = 463692420.

The previous prime is 463692353. The next prime is 463692469. The reversal of 463692421 is 124296364.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 388523521 + 75168900 = 19711^2 + 8670^2 .

It is a cyclic number.

It is not a de Polignac number, because 463692421 - 2¹⁷ = 463561349 is a prime.

It is a super-2 number, since 2×463692421² = 430021322585682482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (463692491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231846210 + 231846211.

It is an arithmetic number, because the mean of its divisors is an integer number (231846211).

Almost surely, 2^463692421 is an apocalyptic number.

It is an amenable number.

463692421 is a deficient number, since it is larger than the sum of its proper divisors (1).

463692421 is an equidigital number, since it uses as much as digits as its factorization.

463692421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 37.

The square root of 463692421 is about 21533.5185466751. The cubic root of 463692421 is about 774.0042270422.

The spelling of 463692421 in words is "four hundred sixty-three million, six hundred ninety-two thousand, four hundred twenty-one".