21104002967 has 2 divisors, whose sum is σ = 21104002968. Its totient is φ = 21104002966.

The previous prime is 21104002961. The next prime is 21104003003. The reversal of 21104002967 is 76920040112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21104002967 - 2⁶ = 21104002903 is a prime.

It is a super-2 number, since 2×21104002967² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21104002961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10552001483 + 10552001484.

It is an arithmetic number, because the mean of its divisors is an integer number (10552001484).

Almost surely, 2^21104002967 is an apocalyptic number.

21104002967 is a deficient number, since it is larger than the sum of its proper divisors (1).

21104002967 is an equidigital number, since it uses as much as digits as its factorization.

21104002967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 21104002967 in words is "twenty-one billion, one hundred four million, two thousand, nine hundred sixty-seven".