5263812490 has 12 divisors (see below), whose sum is σ = 9475275474. Its totient is φ = 2105433224.

The previous prime is 5263812487. The next prime is 5263812509. The reversal of 5263812490 is 942183625.

It can be written as a sum of positive squares in only one way, i.e., 4737431241 + 526381249 = 68829^2 + 22943^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 217959 + ... + 240901.

Almost surely, 2^5263812490 is an apocalyptic number.

5263812490 is a deficient number, since it is larger than the sum of its proper divisors (4211462984).

5263812490 is an frugal number, since it uses more digits than its factorization.

5263812490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45893 (or 22950 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 5263812490 is about 72552.1363572431. The cubic root of 5263812490 is about 1739.5361966802.

Multiplying 5263812490 by its sum of digits (40), we get a square (210552499600 = 458860²).

The spelling of 5263812490 in words is "five billion, two hundred sixty-three million, eight hundred twelve thousand, four hundred ninety".