2152642490 has 8 divisors (see below), whose sum is σ = 3874756500. Its totient is φ = 861056992.

The previous prime is 2152642463. The next prime is 2152642517. The reversal of 2152642490 is 942462512.

2152642490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2152642463) and next prime (2152642517).

It can be written as a sum of positive squares in 2 ways, for example, as 2112965089 + 39677401 = 45967^2 + 6299^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2152642490.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107632115 + ... + 107632134.

Almost surely, 2^2152642490 is an apocalyptic number.

2152642490 is a deficient number, since it is larger than the sum of its proper divisors (1722114010).

2152642490 is a wasteful number, since it uses less digits than its factorization.

2152642490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215264256.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 2152642490 is about 46396.5784298799. The cubic root of 2152642490 is about 1291.1914337656.

The spelling of 2152642490 in words is "two billion, one hundred fifty-two million, six hundred forty-two thousand, four hundred ninety".