6450263021 has 16 divisors (see below), whose sum is σ = 6728736000. Its totient is φ = 6177757248.

The previous prime is 6450262999. The next prime is 6450263107. The reversal of 6450263021 is 1203620546.

It is a cyclic number.

It is not a de Polignac number, because 6450263021 - 2⁶ = 6450262957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6450263821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1016966 + ... + 1023288.

It is an arithmetic number, because the mean of its divisors is an integer number (420546000).

Almost surely, 2^6450263021 is an apocalyptic number.

It is an amenable number.

6450263021 is a deficient number, since it is larger than the sum of its proper divisors (278472979).

6450263021 is a wasteful number, since it uses less digits than its factorization.

6450263021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6788.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 6450263021 is about 80313.5295015728. The cubic root of 6450263021 is about 1861.4832871768.

Adding to 6450263021 its reverse (1203620546), we get a palindrome (7653883567).

The spelling of 6450263021 in words is "six billion, four hundred fifty million, two hundred sixty-three thousand, twenty-one".