1952231690 has 16 divisors (see below), whose sum is σ = 3515719680. Its totient is φ = 780514320.

The previous prime is 1952231597. The next prime is 1952231693. The reversal of 1952231690 is 961322591.

1952231690 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1952231690² = 7622417142880512200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1952231693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25130 + ... + 67349.

It is an arithmetic number, because the mean of its divisors is an integer number (219732480).

Almost surely, 2^1952231690 is an apocalyptic number.

1952231690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1952231690 is a deficient number, since it is larger than the sum of its proper divisors (1563487990).

1952231690 is a wasteful number, since it uses less digits than its factorization.

1952231690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94597.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 1952231690 is about 44184.0660193242. The cubic root of 1952231690 is about 1249.8093981382.

Subtracting from 1952231690 its reverse (961322591), we obtain a palindrome (990909099).

The spelling of 1952231690 in words is "one billion, nine hundred fifty-two million, two hundred thirty-one thousand, six hundred ninety".