1097894414694 has 64 divisors (see below), whose sum is σ = 2738116265472. Its totient is φ = 285114316800.

The previous prime is 1097894414677. The next prime is 1097894414699. The reversal of 1097894414694 is 4964144987901.

It is a super-2 number, since 2×1097894414694² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097894414699) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2295364 + ... + 2732120.

It is an arithmetic number, because the mean of its divisors is an integer number (42783066648).

Almost surely, 2^{1097894414694} is an apocalyptic number.

1097894414694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1097894414694 is an abundant number, since it is smaller than the sum of its proper divisors (1640221850778).

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

1097894414694 is a wasteful number, since it uses less digits than its factorization.

1097894414694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442221.

The product of its (nonzero) digits is 62705664, while the sum is 66.

The spelling of 1097894414694 in words is "one trillion, ninety-seven billion, eight hundred ninety-four million, four hundred fourteen thousand, six hundred ninety-four".