1437091089 has 16 divisors (see below), whose sum is σ = 2240781312. Its totient is φ = 802096848.

The previous prime is 1437091069. The next prime is 1437091093. The reversal of 1437091089 is 9801907341.

It is a happy number.

It is not a de Polignac number, because 1437091089 - 2⁵ = 1437091057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1437091089.

It is not an unprimeable number, because it can be changed into a prime (1437091069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 794829 + ... + 796634.

It is an arithmetic number, because the mean of its divisors is an integer number (140048832).

Almost surely, 2^1437091089 is an apocalyptic number.

It is an amenable number.

1437091089 is a deficient number, since it is larger than the sum of its proper divisors (803690223).

1437091089 is a wasteful number, since it uses less digits than its factorization.

1437091089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591516.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 1437091089 is about 37908.9842781365. The cubic root of 1437091089 is about 1128.4823359424.

The spelling of 1437091089 in words is "one billion, four hundred thirty-seven million, ninety-one thousand, eighty-nine".