1023749663 has 2 divisors, whose sum is σ = 1023749664. Its totient is φ = 1023749662.

The previous prime is 1023749599. The next prime is 1023749681. The reversal of 1023749663 is 3669473201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1023749663 - 2⁶ = 1023749599 is a prime.

It is a super-2 number, since 2×1023749663² = 2096126744985227138, 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 1023749663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023749563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511874831 + 511874832.

It is an arithmetic number, because the mean of its divisors is an integer number (511874832).

Almost surely, 2^1023749663 is an apocalyptic number.

1023749663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023749663 is an equidigital number, since it uses as much as digits as its factorization.

1023749663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 1023749663 is about 31996.0882452840. The cubic root of 1023749663 is about 1007.8546965405.

The spelling of 1023749663 in words is "one billion, twenty-three million, seven hundred forty-nine thousand, six hundred sixty-three".