1089337631 has 2 divisors, whose sum is σ = 1089337632. Its totient is φ = 1089337630.

The previous prime is 1089337549. The next prime is 1089337637. The reversal of 1089337631 is 1367339801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1089337631 - 2¹⁰ = 1089336607 is a prime.

It is a super-2 number, since 2×1089337631² = 2373312948625384322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1089337637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544668815 + 544668816.

It is an arithmetic number, because the mean of its divisors is an integer number (544668816).

Almost surely, 2^1089337631 is an apocalyptic number.

1089337631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089337631 is an equidigital number, since it uses as much as digits as its factorization.

1089337631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 1089337631 is about 33005.1152247648. The cubic root of 1089337631 is about 1028.9339619256.

The spelling of 1089337631 in words is "one billion, eighty-nine million, three hundred thirty-seven thousand, six hundred thirty-one".