1421456963 has 2 divisors, whose sum is σ = 1421456964. Its totient is φ = 1421456962.

The previous prime is 1421456941. The next prime is 1421456987. The reversal of 1421456963 is 3696541241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1421456963 - 2¹⁰ = 1421455939 is a prime.

It is a super-2 number, since 2×1421456963² = 4041079795322366738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1421456963.

It is not a weakly prime, because it can be changed into another prime (1421456923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710728481 + 710728482.

It is an arithmetic number, because the mean of its divisors is an integer number (710728482).

Almost surely, 2^1421456963 is an apocalyptic number.

1421456963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421456963 is an equidigital number, since it uses as much as digits as its factorization.

1421456963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 41.

The square root of 1421456963 is about 37702.2142983671. The cubic root of 1421456963 is about 1124.3751494360.

The spelling of 1421456963 in words is "one billion, four hundred twenty-one million, four hundred fifty-six thousand, nine hundred sixty-three".