1968732495 has 24 divisors (see below), whose sum is σ = 3560839776. Its totient is φ = 1004338368.

The previous prime is 1968732487. The next prime is 1968732497. The reversal of 1968732495 is 5942378691.

It is not a de Polignac number, because 1968732495 - 2³ = 1968732487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968732497) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 950044 + ... + 952113.

It is an arithmetic number, because the mean of its divisors is an integer number (148368324).

Almost surely, 2^1968732495 is an apocalyptic number.

1968732495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1968732495 is a deficient number, since it is larger than the sum of its proper divisors (1592107281).

1968732495 is a wasteful number, since it uses less digits than its factorization.

1968732495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902191 (or 1902188 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 1968732495 is about 44370.4011138056. The cubic root of 1968732495 is about 1253.3207691151.

The spelling of 1968732495 in words is "one billion, nine hundred sixty-eight million, seven hundred thirty-two thousand, four hundred ninety-five".