1081373463 has 8 divisors (see below), whose sum is σ = 1602034800. Its totient is φ = 720915624.

The previous prime is 1081373441. The next prime is 1081373477. The reversal of 1081373463 is 3643731801.

It is not a de Polignac number, because 1081373463 - 2⁶ = 1081373399 is a prime.

It is a super-2 number, since 2×1081373463² = 2338737132961224738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081373563) 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, 20025408 + ... + 20025461.

It is an arithmetic number, because the mean of its divisors is an integer number (200254350).

Almost surely, 2^1081373463 is an apocalyptic number.

1081373463 is a deficient number, since it is larger than the sum of its proper divisors (520661337).

1081373463 is an equidigital number, since it uses as much as digits as its factorization.

1081373463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40050878 (or 40050872 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 1081373463 is about 32884.2433849405. The cubic root of 1081373463 is about 1026.4203076005.

It can be divided in two parts, 1081 and 373463, that added together give a square (374544 = 612²).

The spelling of 1081373463 in words is "one billion, eighty-one million, three hundred seventy-three thousand, four hundred sixty-three".