1097043639 has 8 divisors (see below), whose sum is σ = 1513163760. Its totient is φ = 706142976.

The previous prime is 1097043631. The next prime is 1097043707. The reversal of 1097043639 is 9363407901.

1097043639 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1097043639 - 2³ = 1097043631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1097043639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097043631) 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, 6304762 + ... + 6304935.

It is an arithmetic number, because the mean of its divisors is an integer number (189145470).

Almost surely, 2^1097043639 is an apocalyptic number.

1097043639 is a deficient number, since it is larger than the sum of its proper divisors (416120121).

1097043639 is a wasteful number, since it uses less digits than its factorization.

1097043639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12609729.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 1097043639 is about 33121.6490984371. The cubic root of 1097043639 is about 1031.3545000733.

The spelling of 1097043639 in words is "one billion, ninety-seven million, forty-three thousand, six hundred thirty-nine".