1431642464 has 24 divisors (see below), whose sum is σ = 3221196048. Its totient is φ = 613560960.

The previous prime is 1431642461. The next prime is 1431642467. The reversal of 1431642464 is 4642461341.

It is an interprime number because it is at equal distance from previous prime (1431642461) and next prime (1431642467).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431642461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3195407 + ... + 3195854.

It is an arithmetic number, because the mean of its divisors is an integer number (134216502).

Almost surely, 2^1431642464 is an apocalyptic number.

1431642464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1431642464 is an abundant number, since it is smaller than the sum of its proper divisors (1789553584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1431642464 is an equidigital number, since it uses as much as digits as its factorization.

1431642464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391278 (or 6391270 counting only the distinct ones).

The product of its digits is 55296, while the sum is 35.

The square root of 1431642464 is about 37837.0514707476. The cubic root of 1431642464 is about 1127.0543438278.

The spelling of 1431642464 in words is "one billion, four hundred thirty-one million, six hundred forty-two thousand, four hundred sixty-four".