5262890642 has 4 divisors (see below), whose sum is σ = 7894335966. Its totient is φ = 2631445320.

The previous prime is 5262890641. The next prime is 5262890653. The reversal of 5262890642 is 2460982625.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5198554201 + 64336441 = 72101^2 + 8021^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5262890593 and 5262890602.

It is not an unprimeable number, because it can be changed into a prime (5262890641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315722659 + ... + 1315722662.

Almost surely, 2^5262890642 is an apocalyptic number.

5262890642 is a deficient number, since it is larger than the sum of its proper divisors (2631445324).

5262890642 is a wasteful number, since it uses less digits than its factorization.

5262890642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631445323.

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 5262890642 is about 72545.7830752415. The cubic root of 5262890642 is about 1739.4346428104.

The spelling of 5262890642 in words is "five billion, two hundred sixty-two million, eight hundred ninety thousand, six hundred forty-two".