1468397931 has 96 divisors (see below), whose sum is σ = 2693773824. Its totient is φ = 687052800.

The previous prime is 1468397911. The next prime is 1468397939. The reversal of 1468397931 is 1397938641.

It is not a de Polignac number, because 1468397931 - 2¹¹ = 1468395883 is a prime.

It is a super-2 number, since 2×1468397931² = 4312384967530161522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1468397939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15138075 + ... + 15138171.

It is an arithmetic number, because the mean of its divisors is an integer number (28060144).

Almost surely, 2^1468397931 is an apocalyptic number.

1468397931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1468397931 is a deficient number, since it is larger than the sum of its proper divisors (1225375893).

1468397931 is a wasteful number, since it uses less digits than its factorization.

1468397931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 202 counting only the distinct ones).

The product of its digits is 979776, while the sum is 51.

The square root of 1468397931 is about 38319.6807267493. The cubic root of 1468397931 is about 1136.6181531550.

The spelling of 1468397931 in words is "one billion, four hundred sixty-eight million, three hundred ninety-seven thousand, nine hundred thirty-one".