1621414063 has 2 divisors, whose sum is σ = 1621414064. Its totient is φ = 1621414062.

The previous prime is 1621414057. The next prime is 1621414087. The reversal of 1621414063 is 3604141261.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1621414063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1621414013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 810707031 + 810707032.

It is an arithmetic number, because the mean of its divisors is an integer number (810707032).

Almost surely, 2^1621414063 is an apocalyptic number.

1621414063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1621414063 is an equidigital number, since it uses as much as digits as its factorization.

1621414063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1621414063 is about 40266.7861021959. The cubic root of 1621414063 is about 1174.8019133104.

The spelling of 1621414063 in words is "one billion, six hundred twenty-one million, four hundred fourteen thousand, sixty-three".