21296152783 has 2 divisors, whose sum is σ = 21296152784. Its totient is φ = 21296152782.

The previous prime is 21296152741. The next prime is 21296152817. The reversal of 21296152783 is 38725169212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21296152783 - 2¹³ = 21296144591 is a prime.

It is a super-2 number, since 2×21296152783² (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 (21296152733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10648076391 + 10648076392.

It is an arithmetic number, because the mean of its divisors is an integer number (10648076392).

Almost surely, 2^21296152783 is an apocalyptic number.

21296152783 is a deficient number, since it is larger than the sum of its proper divisors (1).

21296152783 is an equidigital number, since it uses as much as digits as its factorization.

21296152783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 46.

The spelling of 21296152783 in words is "twenty-one billion, two hundred ninety-six million, one hundred fifty-two thousand, seven hundred eighty-three".