1432740981 has 16 divisors (see below), whose sum is σ = 2253651968. Its totient is φ = 792298800.

The previous prime is 1432740949. The next prime is 1432740983. The reversal of 1432740981 is 1890472341.

It is not a de Polignac number, because 1432740981 - 2⁵ = 1432740949 is a prime.

It is a super-2 number, since 2×1432740981² = 4105493437273684722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1432740983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1099765 + ... + 1101066.

It is an arithmetic number, because the mean of its divisors is an integer number (140853248).

Almost surely, 2^1432740981 is an apocalyptic number.

It is an amenable number.

1432740981 is a deficient number, since it is larger than the sum of its proper divisors (820910987).

1432740981 is a wasteful number, since it uses less digits than its factorization.

1432740981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200872.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1432740981 is about 37851.5651063467. The cubic root of 1432740981 is about 1127.3425377160.

The spelling of 1432740981 in words is "one billion, four hundred thirty-two million, seven hundred forty thousand, nine hundred eighty-one".